Question 16 If a random variable has a normal distribution with / = 104.3 and o = 5.7, find the probability that the value will Not yet be greater than 112.3 Determine the z-score for the given value. answered H = 240, a = 30, x = 285 Marked out of Select one: Select one: 1.00 A. 0.09 O a. 1.5 P Flag question B. 0.10 O b. -2.5 O C. 0.11 O C. 2 O d. -1.5 O D. 0.08 O e. 2.5 Question 6 f . - 2 Determine the mean and standard deviation* of the data below. Not yet 62, 56, 80, 48, 56, 30, 39, 80, 80, 38 answered Maddy is teaching German, and test sco from the most recent test are as follows: t of This is the "population" standard deviation. And if you don't know what that means, don't worry! It's not actually covered in this course; this is just a note for anyone who did further reading and/or watched the YouTubes. 43, 49, 51, 53, 59, 61, 66, 69, 69, 72, 72, 74, 75, 76, 77, 79, 79, 82, 84, 84, 86, 87, 87, 91, 95, 96, 99, 99 Which histogram below accurately represents this test data? estion Select one Select one: O a. x = 56.0; a = 18.2 German Test Scores O b. 7 = 56.9; a = 18.2 O C. X = 56.0; a = 17.6 O a. O d. x = 56.9; a = 17.6 Question 18 Which frequency distribution shows a set of outcomes with the largest standard deviation? 60 test score 80 $ Not yet German Test Scores answered Select one: Marked out of 1.00 O A . Flag question Question 14 At the end of a day at the bowling alley, three friends analyzed their scores. test score lot ye ynn's mean bowling score is 124 with a standard deviation of 21. erman Test Scores answered Bethany's mean bowling score is 130 with a standard deviation of 11. O B. Frequency Marked out of Maddy's mean bowling score is 138 with a standard deviation of 18. TNWAMANODE 1.00 O C. Pequecy Who is the most consistent bowler? P Flag question Select one: 50 60 70 80 O C. a. Maddy German Test Scores O b. Bethany O c. Not enough information to know. O d. O d. Fynn O D . From the list below, determine the minimum number of students with scores of 90 required to have the class Question 9 The lifetimes of Sunbeam X1 kettles are normally distributed with a mean of 38 months and a standard deviation average over 75. Not yet of 8 months . answered Scores 60 70 80 90 If Walmart sells 2800 of these kettles and provides an 18 month warranty with each sale, how many kettles would Number of Students 7 Marked out of be expected to fail before the warranty expires? 1.00 Select one: Flag question Select one: O A. 6 O A. 8 O B. 5 O B. 17 O C. 8 O C. 170 O D. 7 O D. 83