26. Evaluate the expression for the given value of the variable. (2 pts.) 3x2 + 36. 42. 10. x=2 y=5 (2 pts.) Problems 20, 42, 50, 66, 68 Combine like terms. (2 pts.) Solve the equation. (2 pts.) x1 5 50. 1 2 5 y Determine whether the values are a solution to the equation. Section 6.2 20. 2 5 xy - = x +5 15 Solve the equation. (2 pts.) Use the formula to determine the value of the indicated variable for the values given. Use a calculator when one is needed. Round your answer to the nearest hundredth. (2 pts.) Body Mass Index. , determine B when w = 130 lbs and h = 67 cm 36. Solve the equation for y. 46. Solve for the variable indicated. V = lwh 62. (2 pts.) for w Solve the equation for F. 5 C= (F32) 9 (3 pts.) (2 pts.) MAT-105: APPLIED LIBERAL ARTS MATHEMATICS Application Assignment 5 The assignment draws mostly on even-numbered exercises from the textbook. Answer all assigned exercises. Point values are listed after each question. Please show work where appropriate for full credit. Section 4.3 Problems 6, 8, 24, 6. Convert the given numeral to a numeral in base 10. (2 pts.) 102 8. Convert the given numeral to a numeral in base 10. (2 pts.) 315 24. Convert the base 10 numeral to the numeral in the base indicated. (2 pts.) 14 to base 2 Section 8.1 Problems 40, 42, 44, 52, 62 For 40-44, convert the given measurement to the unit indicated. 40. 69.3 kg to hectograms 42. 24 dm to kilometers (2 pts.) (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. 44. 0.034 ml to liters 52. Arrange the quantities in order from smallest to largest. 514 hm 62. (2 pts.) 62 km (2 pts.) 680 m Calcium Tablets. Sean takes two 250-mg chewable calcium tablets each day. a) How many milligrams of calcium will Sean take in a week (7 days)? b) How many grams of calcium will Sean take in a week (7 days)? Section 8.2 14. (2 pts.) (2 pts.) Problems 14, 16, 28, 42, 74, 88 Indicate the metric unit of measurement you would use to express the following: (2 pts.) The distance between cities 16. Indicate the metric unit of measurement you would use to express the following: The diameter of a diner plate 28. The diameter of a coffee cup is about which of the following: a) 8 mm 42. b) 8 cm (2 pts.) c) 8 dm Indicate the metric unit of measurement you would use to express the area of the following: (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. (2 pts.) A ceiling tile 74. Choose the best answer to indicate the volume of the following. (2 pts.) Air in a balloon with a diameter of about 17 meters. a) 2600 m3 b) 2600 cm3 c) 2600 km3 88. Farmland. Kim Martello has purchased a farm that is in the shape of a rectangle. The dimensions of the piece of land are 1.4 km by 3.75 km. a) How many square kilometers of land did she purchase? b) If 1 km2 equals 100 ha, determine the amount of land she purchased in hectares. (2 pts.) Section 8.4 (2 pts.) Problems 12, 18, 32, 38, 56 For 12 - 18, convert the quantity to the indicated units. When appropriate, give your answer to the nearest hundredth. Be sure to show your work. 12. 9 lb to kilograms (2 pts.) 18. 765 mm to inches (2 pts.) 32. How far? Carol Ann Harle's new car traveled 105 mi on 5 gal of gasoline. How many kilometers can Carol Ann's car travel with the same amount of gasoline? (2 pts.) 38. Swimming pool. A swimming pool holds 12,500 gallons of water. What is this volume Copyright 2015 by Thomas Edison State College. All rights reserved. in kiloliters? 56. (2 pts.) Stomach Ache Remedy. The label on the bottle of Maximum Strength Pepto-Bismol indicates that each tablespoon contains 236 mg of the active ingredient bismuth subsalicylate. a) Determine the amount of active ingredient in the recommended dosage of 2 tablespoons. (2 pts.) b) If the bottle contains 8 fl oz, determine the quantity of the active ingredient in the bottle. (2 pts.) Section 11.1 10. Problems 10, 12, 16, 22, 26, 42, 56 Change the number to a percent. Express your answer to the nearest tenth of a percent. (2 pts.) 7 8 12. Change the number to a percent. Express your answer to the nearest tenth of a percent. (2 pts.) 0.5688 16. Change the percent to a decimal number. (2 pts.) 9.9% 22. Change the percent to a decimal number. (2 pts.) 135.9% Copyright 2015 by Thomas Edison State College. All rights reserved. 26. Potassium. The U.S. Department of Agriculture's recommended daily allowance (USDRA) of potassium for adults is 3500 mg. One serving of Cheerios provides 95 mg of potassium. What percent of the US RDA of potassium does one serving of Cheerios provide? (2 pts.) 42. United States Population. The population of the United states has been increasing since 1990. In 1990, the population of the United States was about 249 million. In 2010, the population was about 308 million. Determine the percent increase of the U.S. population during this time period. (2 pts.) 56. Employee Increase. The Fastlock Company hired 57 new employees, which increased its staff by 30%. What was the original number of employees. (2 pts.) Section 11.2 24. Problems 24, 34, 36, 54, 58 Use the simple interest formula to determine the missing value If necessary, round all dollar figures to the nearest cent. (2 pts.) p = $1,650.00 r=? t = 6.5 years i = $343.20 For 34-36, determine the exact time from the first date to the second date. Use Table 11.1. Assume the year is not a leap year unless otherwise indicated. 34. January 17 to October 10 36. (2 pts.) June 14 to January 24 (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. 54. Restaurant Loan: The Sweet Tooth Restaurant borrowed $3,000 on a note dated May 15 with simple interest of 11%. The maturity date of the loan is September 1. The restaurant made partial payments of $ 875 on June 15 and $ 940 on August 1. Find the amount due on the maturity date of the loan. (4 pts.) 58. Prime Interest Rate: Nick St. Louis borrowed $ 600 for 3 months. The banker said that Nick must repay the loan at the rate of $ 200 per month plus interest. The bank was charging a rate of 2% above the prime interest rate. The prime interest rate is the rate charged to preferred customers of the bank. During the first month the prime interest rate was 4.75%, during the second month it was 5%, and during the third month it was 5.25%. a) Find the amount Nick paid the bank at the end of the first month, at the end of the second month, and at the end of the third month. (4 pts.) b) What was the total amount of interest Nick paid the bank? (2pts.) Section 11.3 Problems 26, 32, 42 26. Investing a Prize. David Buckley won a writing contest and invested the $10,000 cash prize in a 3-year CD paying 1.29% compounded daily (use n=360). What was the value of the CD after 3 years? (4 pts.) 32. Determining Effective Annual Yield. Determine the effective annual yield for $1 invested for 1 year at 4.75% compounded monthly. (4 pts.) 42. A New Roof. Rebecca Baum will need to replace the roof of her house in 5 years. How much should Rebecca invest now in a money market account that pays 2.1% interest compounded quarterly in order to have $6000 in 5 years? (4 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. Section 11.5 Problems 8, 10, 12 For 8-10, determine the monthly principal and interest payment for the mortgage information listed. Use Table 11.4 on p. 649 to calculate your answer. 8. 10. 12. Amount Financed: $112,000 Annual Percentage Rate: 9% Number of Payments per Year (n): 12 Time in Years (t): 30 Amount Financed: $375,000 Annual Percentage Rate: 7.5% Number of Payments per Year (n): 12 Time in Years (t): 25 (4 pts.) (4 pts.) Buying a House. Sadaf Din is purchasing a house selling for $215,000. To obtain her mortgage, Sadaf must make a 20% down payment. The current mortgage rate is 4.5%. a) Determine the amount of the required down payment. (3 pts.) b) Determine the monthly principal and interest payment for a 25-year mortgage with a 20% down payment. (3 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. MAT-105: APPLIED LIBERAL ARTS MATHEMATICS Application Assignment 6 The assignment draws mostly on even-numbered exercises from the textbook. Answer all assigned exercises. Point values are listed after each question. Please show work where appropriate for full credit. Section 12.1 8. Problems 8, 12, 20, 30 Pair of Dice. Roll a pair of dice 60 times and record the sums. Determine the empirical probability of rolling a sum of a) 2. (2 pts.) b) 7. (2 pts.) c) Does the probability of rolling a sum of 2 appear to be the same as the probability of rolling a sum of 7? Explain your answer. (3 pts.) 12. Music Purchases. At the Virgin Music store in Times Square, 60 people entering the store were selected at random and were asked to choose their favorite type of music. Of the 60, 12 chose rock, 16 chose country, 8 chose classical and 24 chose something other than rock, country or classical. Determine the empirical probability that the next person entering the store favors a) rock music. (2 pts.) b) country music. (2 pts.) c) something other than rock, country, or classical music. (2 pts.) 20. Volunteer Hours. Look at the graph at the bottom of p. 681 to answer the following questions. Copyright 2015 by Thomas Edison State College. All rights reserved. If one American who participated in volunteer work was selected at random, determine the empirical probability that the person volunteered: a. between 1 and 2 hours (3 pts.) b. more than 5 hours per week (3 pts.) c. between 2 and 5 hours per week (3 pts.) 30. The theoretical probability of rolling a 4 on a die is . Does this probability mean that if a die is rolled six times one 4 will appear? If not, what does it mean? (2 pts.) Section 12.2 14. Problems 14, 16, 46, 48, 50 Raffle. In a raffle where one number is chosen, determine the probability that you would win if you have a choice of 52 numbers to choose from. (2 pts.) 16. Select a Card. One card is selected at random from a deck of cards. Determine the probability that the card selected is a 5 or a 10. (2 pts.) TALLAHASSEE. In Problems 46, 48 & 50, each individual letter of the word TALLAHASSEE is placed on a piece of paper and all 11 pieces of paper are placed in a hat. If one letter is selected at random from the hat, determine the probability that 46. The letter S is not selected. (2 pts.) 48. The letter T or E is selected. (2 pts.) 50. The letter V is not selected. (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. Section 12.5 6. Problems 6, 14, 16 Selecting Dates. If two dates are selected at random from the 365 days of the year, use the counting principle to determine the number of possible outcomes if the dates are selected a) b) 14. with replacement. (2 pts.) without replacement. (2 pts.) Three Coins. Three coins are tossed. (hint you may want to draw a tree diagram to list the sample space.) a) c) Determine the probability that no heads are tossed. (4 pts.) d) Determine the probability that exactly one head is tossed. (4 pts.) e) 16. Determine the number of points in the sample space. (4 pts.) Determine the probability that three heads are tossed. (4 pts.) Pet Shop. A pet shop is selling a calico cat, a Siamese cat, a Persian cat, and a Himalayan cat. The Chens are going to select two cats to bring home as pets. Copyright 2015 by Thomas Edison State College. All rights reserved. a. Determine the number of points in the sample space. (4 pts.) c. Determine the probability that they select the Persian cat. (4 pts.) d. Determine the probability that they select the Persian cat and the calico cat. (4 pts.) e. Determine the probability that they select cats other than the Persian cat. (4 pts.) Section 13.1 Problems 14, 16, 18, 20 In Exercises 14, 16, 18 & 20, identify the sampling technique used to obtain a sample. Explain your answer. 14. Every 10th iPod coming off an assembly line is checked for defects. 16. A door prize is given away at a home improvement seminar. Tickets are placed in a bin, and the tickets are mixed up. Then a ticket is selected by a blindfolded person. (2 pts.) 18. The businesses in Iowa City are grouped according to type: medical, service, retail, manufacturing, financial, construction, restaurant, hotel, tourism, and other. A random sample of 10 businesses from each type is selected. (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. (2 pts.) 20. The Food and Drug Administration randomly selects five stores from each of four randomly selected sections of a large city and checks food items for freshness. These stores are used as a representative sample of the entire city. (2 pts.) Section 13.3 Problems 32, 34, 36 32. Car Insurance. Use the histogram below to answer the following questions. a) How many students were surveyed? (2 pts.) c) How many students have an annual car insurance premium in the class with a class mark of $752? (2 pts.) d) What is the class mark of the modal class? (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. 34. San Diego Zoo. Use the frequency polygon below to answer the following questions. a) b) How many families visited the San Diego Zoo at least six times? c) 36. How many families visited the San Diego Zoo four times? (2 pts.) How many families were surveyed? (2 pts.) (2 pts.) Automobile Accessories. A sample of 600 people were asked which one automobile accessory they would most prefer to have on a family road trip. The following circle graph shows the percentage of respondents that answered GPS, DVD player, extra cup holders, roof rack and other. Determine the number of respondents for each category. (2 pts. each = 10 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. GPS: DVD: Cup holders: Roof rack: Other: Copyright 2015 by Thomas Edison State College. All rights reserved. MAT-105: APPLIED LIBERAL ARTS MATHEMATICS Application Assignment 5 The assignment draws mostly on even-numbered exercises from the textbook. Answer all assigned exercises. Point values are listed after each question. Please show work where appropriate for full credit. Section 4.3 Problems 6, 8, 24, 6. Convert the given numeral to a numeral in base 10. (2 pts.) 102 8. Convert the given numeral to a numeral in base 10. (2 pts.) 315 24. Convert the base 10 numeral to the numeral in the base indicated. (2 pts.) 14 to base 2 Section 8.1 Problems 40, 42, 44, 52, 62 For 40-44, convert the given measurement to the unit indicated. 40. 69.3 kg to hectograms 42. 24 dm to kilometers (2 pts.) (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. 44. 0.034 ml to liters 52. Arrange the quantities in order from smallest to largest. 514 hm 62. (2 pts.) 62 km (2 pts.) 680 m Calcium Tablets. Sean takes two 250-mg chewable calcium tablets each day. a) How many milligrams of calcium will Sean take in a week (7 days)? b) How many grams of calcium will Sean take in a week (7 days)? Section 8.2 14. (2 pts.) (2 pts.) Problems 14, 16, 28, 42, 74, 88 Indicate the metric unit of measurement you would use to express the following: (2 pts.) The distance between cities 16. Indicate the metric unit of measurement you would use to express the following: The diameter of a diner plate 28. The diameter of a coffee cup is about which of the following: a) 8 mm 42. b) 8 cm (2 pts.) c) 8 dm Indicate the metric unit of measurement you would use to express the area of the following: (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. (2 pts.) A ceiling tile 74. Choose the best answer to indicate the volume of the following. (2 pts.) Air in a balloon with a diameter of about 17 meters. a) 2600 m3 b) 2600 cm3 c) 2600 km3 88. Farmland. Kim Martello has purchased a farm that is in the shape of a rectangle. The dimensions of the piece of land are 1.4 km by 3.75 km. a) How many square kilometers of land did she purchase? b) If 1 km2 equals 100 ha, determine the amount of land she purchased in hectares. (2 pts.) Section 8.4 (2 pts.) Problems 12, 18, 32, 38, 56 For 12 - 18, convert the quantity to the indicated units. When appropriate, give your answer to the nearest hundredth. Be sure to show your work. 12. 9 lb to kilograms (2 pts.) 18. 765 mm to inches (2 pts.) 32. How far? Carol Ann Harle's new car traveled 105 mi on 5 gal of gasoline. How many kilometers can Carol Ann's car travel with the same amount of gasoline? (2 pts.) 38. Swimming pool. A swimming pool holds 12,500 gallons of water. What is this volume Copyright 2015 by Thomas Edison State College. All rights reserved. in kiloliters? 56. (2 pts.) Stomach Ache Remedy. The label on the bottle of Maximum Strength Pepto-Bismol indicates that each tablespoon contains 236 mg of the active ingredient bismuth subsalicylate. a) Determine the amount of active ingredient in the recommended dosage of 2 tablespoons. (2 pts.) b) If the bottle contains 8 fl oz, determine the quantity of the active ingredient in the bottle. (2 pts.) Section 11.1 10. Problems 10, 12, 16, 22, 26, 42, 56 Change the number to a percent. Express your answer to the nearest tenth of a percent. (2 pts.) 7 8 12. Change the number to a percent. Express your answer to the nearest tenth of a percent. (2 pts.) 0.5688 16. Change the percent to a decimal number. (2 pts.) 9.9% 22. Change the percent to a decimal number. (2 pts.) 135.9% Copyright 2015 by Thomas Edison State College. All rights reserved. 26. Potassium. The U.S. Department of Agriculture's recommended daily allowance (USDRA) of potassium for adults is 3500 mg. One serving of Cheerios provides 95 mg of potassium. What percent of the US RDA of potassium does one serving of Cheerios provide? (2 pts.) 42. United States Population. The population of the United states has been increasing since 1990. In 1990, the population of the United States was about 249 million. In 2010, the population was about 308 million. Determine the percent increase of the U.S. population during this time period. (2 pts.) 56. Employee Increase. The Fastlock Company hired 57 new employees, which increased its staff by 30%. What was the original number of employees. (2 pts.) Section 11.2 24. Problems 24, 34, 36, 54, 58 Use the simple interest formula to determine the missing value If necessary, round all dollar figures to the nearest cent. (2 pts.) p = $1,650.00 r=? t = 6.5 years i = $343.20 For 34-36, determine the exact time from the first date to the second date. Use Table 11.1. Assume the year is not a leap year unless otherwise indicated. 34. January 17 to October 10 36. (2 pts.) June 14 to January 24 (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. 54. Restaurant Loan: The Sweet Tooth Restaurant borrowed $3,000 on a note dated May 15 with simple interest of 11%. The maturity date of the loan is September 1. The restaurant made partial payments of $ 875 on June 15 and $ 940 on August 1. Find the amount due on the maturity date of the loan. (4 pts.) 58. Prime Interest Rate: Nick St. Louis borrowed $ 600 for 3 months. The banker said that Nick must repay the loan at the rate of $ 200 per month plus interest. The bank was charging a rate of 2% above the prime interest rate. The prime interest rate is the rate charged to preferred customers of the bank. During the first month the prime interest rate was 4.75%, during the second month it was 5%, and during the third month it was 5.25%. a) Find the amount Nick paid the bank at the end of the first month, at the end of the second month, and at the end of the third month. (4 pts.) b) What was the total amount of interest Nick paid the bank? (2pts.) Section 11.3 Problems 26, 32, 42 26. Investing a Prize. David Buckley won a writing contest and invested the $10,000 cash prize in a 3-year CD paying 1.29% compounded daily (use n=360). What was the value of the CD after 3 years? (4 pts.) 32. Determining Effective Annual Yield. Determine the effective annual yield for $1 invested for 1 year at 4.75% compounded monthly. (4 pts.) 42. A New Roof. Rebecca Baum will need to replace the roof of her house in 5 years. How much should Rebecca invest now in a money market account that pays 2.1% interest compounded quarterly in order to have $6000 in 5 years? (4 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. Section 11.5 Problems 8, 10, 12 For 8-10, determine the monthly principal and interest payment for the mortgage information listed. Use Table 11.4 on p. 649 to calculate your answer. 8. 10. 12. Amount Financed: $112,000 Annual Percentage Rate: 9% Number of Payments per Year (n): 12 Time in Years (t): 30 Amount Financed: $375,000 Annual Percentage Rate: 7.5% Number of Payments per Year (n): 12 Time in Years (t): 25 (4 pts.) (4 pts.) Buying a House. Sadaf Din is purchasing a house selling for $215,000. To obtain her mortgage, Sadaf must make a 20% down payment. The current mortgage rate is 4.5%. a) Determine the amount of the required down payment. (3 pts.) b) Determine the monthly principal and interest payment for a 25-year mortgage with a 20% down payment. (3 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. MAT-105: APPLIED LIBERAL ARTS MATHEMATICS Application Assignment 6 The assignment draws mostly on even-numbered exercises from the textbook. Answer all assigned exercises. Point values are listed after each question. Please show work where appropriate for full credit. Section 12.1 8. Problems 8, 12, 20, 30 Pair of Dice. Roll a pair of dice 60 times and record the sums. Determine the empirical probability of rolling a sum of a) 2. (2 pts.) b) 7. (2 pts.) c) Does the probability of rolling a sum of 2 appear to be the same as the probability of rolling a sum of 7? Explain your answer. (3 pts.) 12. Music Purchases. At the Virgin Music store in Times Square, 60 people entering the store were selected at random and were asked to choose their favorite type of music. Of the 60, 12 chose rock, 16 chose country, 8 chose classical and 24 chose something other than rock, country or classical. Determine the empirical probability that the next person entering the store favors a) rock music. (2 pts.) b) country music. (2 pts.) c) something other than rock, country, or classical music. (2 pts.) 20. Volunteer Hours. Look at the graph at the bottom of p. 681 to answer the following questions. Copyright 2015 by Thomas Edison State College. All rights reserved. If one American who participated in volunteer work was selected at random, determine the empirical probability that the person volunteered: a. between 1 and 2 hours (3 pts.) b. more than 5 hours per week (3 pts.) c. between 2 and 5 hours per week (3 pts.) 30. The theoretical probability of rolling a 4 on a die is . Does this probability mean that if a die is rolled six times one 4 will appear? If not, what does it mean? (2 pts.) Section 12.2 14. Problems 14, 16, 46, 48, 50 Raffle. In a raffle where one number is chosen, determine the probability that you would win if you have a choice of 52 numbers to choose from. (2 pts.) 16. Select a Card. One card is selected at random from a deck of cards. Determine the probability that the card selected is a 5 or a 10. (2 pts.) TALLAHASSEE. In Problems 46, 48 & 50, each individual letter of the word TALLAHASSEE is placed on a piece of paper and all 11 pieces of paper are placed in a hat. If one letter is selected at random from the hat, determine the probability that 46. The letter S is not selected. (2 pts.) 48. The letter T or E is selected. (2 pts.) 50. The letter V is not selected. (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. Section 12.5 6. Problems 6, 14, 16 Selecting Dates. If two dates are selected at random from the 365 days of the year, use the counting principle to determine the number of possible outcomes if the dates are selected a) b) 14. with replacement. (2 pts.) without replacement. (2 pts.) Three Coins. Three coins are tossed. (hint you may want to draw a tree diagram to list the sample space.) a) c) Determine the probability that no heads are tossed. (4 pts.) d) Determine the probability that exactly one head is tossed. (4 pts.) e) 16. Determine the number of points in the sample space. (4 pts.) Determine the probability that three heads are tossed. (4 pts.) Pet Shop. A pet shop is selling a calico cat, a Siamese cat, a Persian cat, and a Himalayan cat. The Chens are going to select two cats to bring home as pets. Copyright 2015 by Thomas Edison State College. All rights reserved. a. Determine the number of points in the sample space. (4 pts.) c. Determine the probability that they select the Persian cat. (4 pts.) d. Determine the probability that they select the Persian cat and the calico cat. (4 pts.) e. Determine the probability that they select cats other than the Persian cat. (4 pts.) Section 13.1 Problems 14, 16, 18, 20 In Exercises 14, 16, 18 & 20, identify the sampling technique used to obtain a sample. Explain your answer. 14. Every 10th iPod coming off an assembly line is checked for defects. 16. A door prize is given away at a home improvement seminar. Tickets are placed in a bin, and the tickets are mixed up. Then a ticket is selected by a blindfolded person. (2 pts.) 18. The businesses in Iowa City are grouped according to type: medical, service, retail, manufacturing, financial, construction, restaurant, hotel, tourism, and other. A random sample of 10 businesses from each type is selected. (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. (2 pts.) 20. The Food and Drug Administration randomly selects five stores from each of four randomly selected sections of a large city and checks food items for freshness. These stores are used as a representative sample of the entire city. (2 pts.) Section 13.3 Problems 32, 34, 36 32. Car Insurance. Use the histogram below to answer the following questions. a) How many students were surveyed? (2 pts.) c) How many students have an annual car insurance premium in the class with a class mark of $752? (2 pts.) d) What is the class mark of the modal class? (2 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. 34. San Diego Zoo. Use the frequency polygon below to answer the following questions. a) b) How many families visited the San Diego Zoo at least six times? c) 36. How many families visited the San Diego Zoo four times? (2 pts.) How many families were surveyed? (2 pts.) (2 pts.) Automobile Accessories. A sample of 600 people were asked which one automobile accessory they would most prefer to have on a family road trip. The following circle graph shows the percentage of respondents that answered GPS, DVD player, extra cup holders, roof rack and other. Determine the number of respondents for each category. (2 pts. each = 10 pts.) Copyright 2015 by Thomas Edison State College. All rights reserved. GPS: DVD: Cup holders: Roof rack: Other: Copyright 2015 by Thomas Edison State College. All rights reserved