Question

According to a study done by a university? student, the probability a randomly selected individual will not cover his or her mouth when sneezing is

0.267

Suppose you sit on a bench in a mall and observe? people's habits as they sneeze.

?(a) What is the probability that among 16 randomly observed individuals exactly 7do not cover their mouth when? sneezing?

?(b) What is the probability that among 16 randomly observed individuals fewer than 5 do not cover their mouth when? sneezing?

?(c) Would you be surprised? if, after observing 16 ?individuals, fewer than half covered their mouth when? sneezing? Why?

Answer 1

TOPIC:Use of the Binomial distribution to find the required probabilities.