According to one study, 61% of the population swallow at least one spider per year in their sleep. Based on this study, what is the probability that exactly 7 of 10 randomly selected people have swallowed at least one spider in their sleep in the last year? (1 point) 70% 34% 22% 1% 13 of 14 Mrs. Smith's Algebra 2 class scored very well on the last quiz. With one exception, everyone received an A. Within how many standard deviations of the mean do all the quiz grades fall? Item 7 Item 8 97, 95, 97, 94, 93, 99, 91, 96, 94, 88, 92, 91 Item 9 (1 point) Item 10 1 21 Item 11 3 Item 12 2 Item 13 Item 14 Next 12 of 14 Jaden surveyed 20 juniors and seniors at Denmark High School to find the number of hours per week they spend working at part-time jobs. His results are shown below. Item 7 Item 8 Juniors: 20, 10, 20, 10, 15, 0, 0, 10, 20, 15 Item 9 Seniors: 20, 20, 10, 10, 0, 0, 0, 10, 0, 10 Which statement about the data is true? Item 10 Item 11 Screen capture now (1 point) The mean number of hours worked is the same for juniors and seniors. Item 12 Screenshot taken Show in folder Item 1: The mean, median, and mode for the juniors surveyed fall within a 3-hour range. Item 14 The range of hours worked is the same for juniors and seniors. The mean number of hours worked by the seniors surveyed is 12. Mrs S Age 2 class scored very well on the l an A. Within how many standard deviations of the mean do all the quiz g 97.9597,943, 90.91964,829 01 04 07 Copied to clipboard Edit Delete An airline has 87% of its flights depart on schedule. It has 68% of its flights depart and arrive on schedule. Find the probability that a flight that departs on schedule also arrives on schedule. Round the answer to two decimal places. (1 point) 1.55 0.78 0.85 0.59 11 of 14 Item 7 Item 8 Item 9 Item 10 Item 11 Screen capture now Item 1: Screenshot taken Show in folder Item 1: Item 14 J: 20.30.20.10.15.0.0.10.2015 S: 20.20.30. 10.00 point) The mean number of hours worked in the same for and o -vegaviewer.emssvc.connexus.com/index.html?courseld=149754&loggedInUserid=&admin.html&id Logged In User-3505557&webuserid=3505557&can Preview=False Edit Copied to clipboard Delete Each person in a group of students was identified by year and asked when he or she preferred taking classes: in the morning, afternoon, or evening. The results are shown in the table. Find the probability that the student preferred afternoon classes given he or she is a senior. Round to the nearest Item 7 Item 8 10 of 14 Freshman Sophomore Junior Senior Item 9 Morning 19 2 6 16 Item 10 thousandth. Afternoon 17 3 13 15 (1 point) Item 11 Evening 8 14 9 7 Screen capture now Item 1: Screenshot taken Show in folder 0.464 Item 1: 0.395 0.184 0.116 Item 14 schedule. Find the probability that a fight that departs on schedule also a decimal places point) -vegaviewer.emssvc.connexus.com/index.html?courseld=149754&loggedInUserid=&admin.html&id Logged In User-3505557&webuserid=3505557&can Preview=False& Copied to clipboard Edit Delete There are 18 number-tiles in a jar, each marked with a different number from 1-18. If you pull out one tile at random, what is the probability that the number you pull will be an even number or a prime number? (1 point) 0.833 0.722 0.889 O 0.944 9 of 14 Item 7 Item 8 Item 9 Item 10 Item 11 Screen capture now Item 1: Screenshot taken Show in folder Item 1: Item 14 -vegaviewer.emssvc.connexus.com/index.html?courseld=149754&loggedInUserid=&admin.html&id Logged In User-3505557&webuserid=3505557&can Preview=False& Each person in a group of students was idened by year a that the student pred attemoon classes given he or she is a senior 44 5 Copied to clipboard Edit Delete A jar contains 10 red marbles, 6 blue marbles, 8 green marbles, and 4 yellow marbles. one marble is randomly drawn. What is the probability that either a yellow marble or a blue marble is drawn? (1 point) Item 7 Item 8 14 14 8 of 14 Item 9 Item 10 Item 11 Screen capture now Item 1: Screenshot taken Show in folder Item 1: Item 14 -vegaviewer.emssvc.connexus.com/index.html?courseld=149754&loggedInUserid=&admin.html&id Logged In User-3505557&webuserid=3505557&can Preview=Falsecc... Copied to clipboard Edit Delete Krishna puts the letters of the word SCHOOL on pieces of paper and puts the pieces in a bag. He draws two letters without looking. The first piece of paper is NOT REPLACED before the second piece is drawn. What is the probability that Krishna draws an O twice? (1 point) O O O 15 36 7 of 14 Item 6 Item 7 Item 8 Item 9 Item 10 Screen capture now Item 11 Screenshot taken Show in folder Item 12 Item 13 ot of + + Copied to clipboard Edit Delete A garden store has the following miscellaneous flower bulbs in a basket: 7 amaryllis 5 daffodils 6 lilies 4 tulips A customer bought 4 bulbs from the basket, one of each type of flower. If the next customer selects 1 of the remaining bulbs at random, which is closest to the probability that customer will get a tulip bulb? (1 point) 83% 18% 17% 22% 6 of 14 Item 6 Item 7 Item 8 Item 9 Screen capture now Z Item 10 Screenshot taken Show in folder Item 11 Item 12 Khas the letters of the word SCHOOL on pieces of paper and puts without looking. The first piece of paper is NOT REPLACED b dawn. What is the probability that draws an 45 ot Copied to clipboard Edit Delete Item 7 Carrie is in the Spanish club. There are 37 students in the club. The Spanish teacher will pick two students at random to guide visiting students from Spain. What is the probability that Carrie will NOT be picked as a guide? (1 point) Item 5 Item 6 36 36 37 O O O 37 5 of 14 K Item 8 Item 9 Screen capture now Screenshot taken Item 1( Show in folder Item 11 Item 11 A customer bought bulbs from the basket, one of each type of flower (point) Copied to clipboard Edit Delete A sporting goods store received an order of 70 baseball caps, of which 21 were red. If 1 of the 70 caps is selected at random, what is the probability it will NOT be red? (1 point) 30% 70% 75% 35% Item 2 Item 3 Item 4 4 of 14 Item 5 Screen capture now Item 6 Screenshot taken Item 7 Show in folder Item 8 Cane is in the Spanish club. There are 37 students in the club. The Span Item Q Copied to clipboard Edit Delete Seven books are placed on a book shelf. How many ways can they be ordered? (1 point) 120 00 1 5,040 720 3 of 14 Item 2 Item 3 Item 4 Item 5 Screen capture now Item 6 Screenshot taken Item 7 Show in folder Item 8 A sporting goods received an order of 70 baseball caps, of which 21 Item Q Edit Copied to clipboard Delete The heights of 3-year-olds at a preschool averaged 35.2 inches with a standard deviation of 1.2 inches. Item 2 2 of 14 a.) Assuming a normal distribution, estimate the probability that a randomly selected 3-year-old is between 32.8 inches and 36.4 inches in height. Item 3 b.) If a 3-year-old is 37 inches tall, are they considered to be above average in height for their age group? Explain your answer. Item 4 Item 5 (3 points) Screen capture now Item 6 B I U Item 7 Screenshot taken Show in folder Item 8 Svn Books are placed on a book shelt. How many ways can they be point) 0 / 10000 Word Limit Itom a 01 130 Copied to clipboard Edit Delete -vegaviewer.emssvc.connexus.com/index.html?courseld=149754&loggedInUserId=&admin.html&id LoggedInUser-3505557&webuserid=3505557&canPreview=False& Suppose you are researching the eating habits of people your age. a.) What sampling method could you use to find the percent of students in your grade who eat four servings of fruit and vegetables each day? b.) What is an example of a survey question that does NOT have bias? (2 points) B I U Item 1 Item 2 Item 3 Item 4 1 of 14 Item 5 Screen capture now Item 6 Screenshot taken Show in folder Item 7 The height of 3-year-old at a preschool averaged 35.2 inches with a sta 0 / 10000 Word Limit Item 8 between 32.8 inches and 36.4 inches in height group? Explain your answe -vegaviewer.emssvc.connexus.com/index.html?courseld=149754&loggedInUserid=&admin.html&id Logged In User-3505557&webuserid=3505557&can Preview=Falsecc... Edit Copied to clipboard Delete