Answer to Question #31824 in Statistics and Probability for Traci Cohen

Question

A survey of adults ages 18-29 found that 87% use the internet. You randomly select 100 adults ages 18-29 and ask them if they use the internet.
A) find the probability that exactly 89 people say they use the internet
B) find the probability that at least 89 people say they use the internet
c)Find the probability that fewer than 89 people say they use the internet
d) are any of the probabilities in parts a-c unusual? Explain!