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Compute the percentile rank of City B's 2000 homicides. Question 2 3.03 out of 3.03 points 5.17.What is the percent of area beyond z=1.66? Question
- Compute the percentile rank of City B's 2000 homicides.
- Question 2
- 3.03 out of 3.03 points
- 5.17.What is the percent of area beyond z=1.66?
- Question 3
- 3.03 out of 3.03 points
- 5.25.What percentage of the population was sentenced above Erin?
- Question 4
- 3.03 out of 3.03 points
- 5.28.Compute the percentile rank of City A's 2000 homicides.
- Question 5
- 0 out of 3.03 points
- Questions 5.27-5.30 refer to the following situation:
- Suppose in a large City A the average number of homicides is 98 per year, with a standard deviation of 25. In a midsized City B the average number of homicides is 44, with a standard deviation of 17. In 2000, City A had 119 homicides while City B recorded 62 homicides. Assuming both distributions are normal, calculate the following using the Table of Proportions of Area under the Normal Curve (z- table):
- 5.27.Which city had the worst number of homicides in 2000 (relative to its norm)?
- Question 6
- 3.03 out of 3.03 points
- 5.3.The probability of drawing a spade from a standard deck of playing cards is 0.25.The probability of not drawing a spade is 0.75.This is an example of the:
- Question 7
- 3.03 out of 3.03 points
- 5.14.The normal curve is:
- Question 8
- 3.03 out of 3.03 points
- 5.8.Rolling the same three dice, what is the probability of obtaining at least one 6?
- Question 9
- 3.03 out of 3.03 points
- 5.9.The probability of your correctly guessing the answer to the above question, if you have no idea of the correct answer, is:
- Question 10
- 3.03 out of 3.03 points
- 5.33. When rolling two dice simultaneously, what is the chance of the total equaling either seven or eleven?
- Question 11
- 3.03 out of 3.03 points
- 5.4.To determine the probability of rolling a 6 and a 2 with two dice, we would employ the:
- Question 12
- 3.03 out of 3.03 points
- 5.31.When rolling two dice simultaneously, what are the chances of the total equaling
- Question 13
- 3.03 out of 3.03 points
- 5.23. If X = 37, z= ________
- Question 14
- 3.03 out of 3.03 points
- 5.12.Calculate the probability of three guilty verdicts.
- Question 15
- 3.03 out of 3.03 points
- 5.22. If X = 5, z= ________
- Question 16
- 3.03 out of 3.03 points
- Questions 5.24-5.26 refer to the following table:
- (A)(B)(C)
- area betweenarea
- zmean and zbeyond z
- 1.1036.4313.57
- 1.1136.6513.35
- 1.1236.8613.14
- 1.1337.0812.92
- 1.1437.2912.71
- 2.7949.74.26
- 2.8049.74.26
- 2.8149.75.25
- 2.8249.76.24
- 2.8349.77.23
- On a standardized set of sentencing guidelines, Michael received 25.55 years and Erin received 34.15 years. The distribution of sentences for the population is normal, with a mean of 20 and a standard deviation of 5.
- 5.24.Calculate Michael's percentile rank.
- Question 17
- 3.03 out of 3.03 points
- 5.5.The probability of drawing an ace or a king from a standard deck of cards in one draw is 0.15. This is an example of the:
- Question 18
- 3.03 out of 3.03 points
- 5.6.One flip of a coin cannot yield both a head and a tail.This is an example of:
- Question 19
- 3.03 out of 3.03 points
- Questions 5.10-5.12 refer to the following situation:
- A criminal defense attorney is awaiting jury verdicts for three clients.A researcher predicts the chance of a guilty verdict is 20 percent chance for client 1, 30 percent for client 2, and 40 percent for client 3.
- 5.10.Calculate the probability of a guilt-free verdict for all three clients.
- Question 20
- 3.03 out of 3.03 points
- 5.2.Probability is defined as:
- Question 21
- 3.03 out of 3.03 points
- 5.18.Calculate the percent of area between z=1.68 and z=1.73.
- Question 22
- 3.03 out of 3.03 points
- Questions 5.16-5.20 refer to the following table:
- (A)(B)(C)
- area betweenarea
- zmean and zbeyond z
- 1.6545.054.95
- 1.6645.154.85
- 1.6745.254.75
- 1.6845.354.65
- 1.6945.454.55
- 1.7045.544.46
- 1.7145.644.36
- 1.7245.734.27
- 1.7345.824.18
- 1.7445.914.09
- 5.16.What is the percent of area between the mean and z=1.70?
- Question 23
- 3.03 out of 3.03 points
- 5.1.Which of the following is not true of probabilities?
- Question 24
- 3.03 out of 3.03 points
- Questions 5.21-5.23 refer to the following situation:
- A scientist is interested in the effect of time spent with parents and number ofhours youth spend watching television. The researcher knows that the average teen whose parents work outside the home spends 20 hours a week watching television.The population mean = 20 and the standard deviation of the distribution is equal to 5. Calculate the z-scores for the following individual times:
- 5.21. If X = 20, z= ________
- Question 25
- 3.03 out of 3.03 points
- 5.13.Which of the following statements about the normal distribution is/are true?
- Question 26
- 3.03 out of 3.03 points
- 5.32.When rolling two dice simultaneously, what are the chances of the total equaling eleven?
- Question 27
- 5.19.Calculate the probability of obtaining a score between z=-1.65 and the mean.
- Question 28
- 5.26.What percentage of the population was sentenced between Michael and Erin?
- Question 29
- 5.11.Calculate the probability of verdicts at the end of week being, Client 1-guilty, Client 2-innocent, Client 3-guilty.
- Question 30
- 5.30.If City B had 33 homicides in 1998, what percentage greater were the homicides in 2000?
- Question 31
- 5.7.When rolling three dice, what is the probability of obtaining all 6's?
- Question 32
- 5.20.Calculate the probability of obtaining a score between z=-1.71 and z=1.66.
- Question 33
- 5.15.Roughly what percent of the total area under the normal curve lies between the mean and one standard deviation above the mean?
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