Slides are available at:
https://drive.google.com/drive/folder...
Data collected by the Substance Abuse and Mental Health Services Administration (SAMSHA) suggests that 69.7% of 18-20 year olds consumed alcoholic beverages in 2008.
(a) Suppose a random sample of ten 18-20 year olds is taken. Is the use of the binomial distribution appropriate for calculating the probability that exactly six consumed alcoholic beverages? Explain.
(b) Calculate the probability that exactly 6 out of 10 randomly sampled 18- 20 year olds consumed an alcoholic drink.
(c) What is the probability that exactly four out of ten 18-20 year olds have not consumed an alcoholic beverage?
(d) What is the probability that at most 2 out of 5 randomly sampled 18-20 year olds have consumed alcoholic beverages?
(e) What is the probability that at least 1 out of 5 randomly sampled 18-20 year olds have consumed alcoholic beverages?
All of our textbooks are free to download:
http://www.openintro.org/books
Example Exercise: 3.25 (OpenIntro Statistics), 3.35 (Advanced High School Statistics) | |
| 11 Likes | 11 Dislikes |
| 2,204 views views | 5,580 followers |
| Education | Upload TimePublished on 3 Jul 2017 |
Không có nhận xét nào:
Đăng nhận xét