In: Statistics and Probability
3.25 Underage drinking, Part I: 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.
b) Calculate the probability that exactly 6 out of 10 randomly
sampled 18- 20 year olds consumed an alcoholic drink.
(please round to four decimal places)
(c) What is the probability that exactly four out of the ten 18-20
year olds have not consumed an alcoholic
beverage? (please round to four decimal
places)
(d) What is the probability that at most 2 out of 5 randomly
sampled 18-20 year olds have consumed alcoholic beverages?
(please round to four decimal places)
(e) What is the probability that at least 1 out of 5 randomly
sampled 18-20 year olds have consumed alcoholic beverages?
(please round to four decimal places)