In: Statistics and Probability
A survey of adults ages 18-29 found that 83%
use the Internet. You randomly select 108 adults ages 18-29 and ask them if they use the Internet.
(a) Find the probability that exactly 86 people say they use the Internet.
(b) Find the probability that at least 86 people say they use the Internet.
(c) Find the probability that fewer than 86 people say they use the Internet.
(d) Are any of the probabilities in parts (a)-(c) unusual? Explain.