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= Homework: Section 6.2 Homework Question 16, 6.2.X1 Part 1 of 4 81.77%, 13.08 of 16 points O Points: 0 of 1 (a) Ix = ]
Posted: Sun Jul 10, 2022 10:42 am
by answerhappygod
- Homework Section 6 2 Homework Question 16 6 2 X1 Part 1 Of 4 81 77 13 08 Of 16 Points O Points 0 Of 1 A Ix 1 (29.55 KiB) Viewed 95 times
= Homework: Section 6.2 Homework
Question 16, 6.2.X1 Part 1 of 4 81.77%, 13.08 of 16 points O Points: 0 of 1 (a) Ix = ] Save According to an almanac, 70% of adult smokers started smoking before turning 18 years old. (a) Compute the mean and standard deviation of the random variable X, the number of smokers who started before 18 in 400 trials of the probability experiment. (b) Interpret the mean. (c) Would it be unusual to observe 320 smokers who started smoking before turning 18 years old in a random sample of 400 adult smokers? Why?