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According to a study done by a university​ student, the probability a randomly selected individual will...

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 .267. Suppose you sit on a bench in a mall and observe peoples habits as they sneeze.

(​a)

What is the probability that among 12 randomly observed individuals exactly 6 do not cover their mouth when sneezing?

AND What is the probablity if among 12 randonly observed individuals fewer than 5 do not cover their mouth when sneezing?

AND Would you be suprised if, after obserbing 12 individuals, fewer than half covered their mouth when sneezing? Why?

Math   Statistics-And-Probability   
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