@ Quizzes - MATH302 BOOS Fall 20. x * week 3 test.docx * + X https://myclassroom.apus.edu/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=44150&isprv=&drc=0&qi=104463&cfql=0&dnb=0&fromQB=0 ... Week 3 Test X Time Limit: 2:30:00 Time Left:2:26:08 Nathaniel Taylor: Attempt 1 Page 1: Approximately 10% of all people are left-handed. Out of a random sample of 15 2 3 people, what is the probability that 4 of them are left-handed? Round answer to 4 -- decimal places. Answer: 4 5 6 Question 3 (1 point) 8 9 A coin is flipped 30 times. What is the probability of getting 15 or more heads? -- -- Round answer to 4 decimal places. Answer: 10 11 12 Question 4 (1 point) 13 14 15 If random variable X has a binomial distribution with n=9 and P(success) =p= 0.4, find -- -- -- the standard deviation of X. (round to 4 decimal places) Answer: 16 17 BT -- Question 5 (1 point) 19 20 -- It was found that 60% of people have a dog as a pet. If a random sample of 11 people is selected, what is the variance of the number of people that have a dog as a pet? (That is, what is Var(X)?) (round to 2 decimal places) Answer: Question 6 (1 point) The table of data obtained from WWW.BASEBALL-ALMANAC.COM shows hit information for four well known baseball players. Suppose that one hit from the table is randomly selected. NAME Single Double Triple Home Run TOTAL HITS Babe Ruth 1,517 506 136 714 2,873 Type here to search O 9:59 PM ~ (7 4) 10/19/2021