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 6 do not cover their mouth when sneezing?

(b) What is the probability that among 16 randomly observed individuals fewer than 3 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?


(a) The probability that exactly 6 individuals do not cover their mouth is _______ 

(Round to four decimal places as needed.)

(b) The probability that fewer than 3 individuals do not cover their mouth is _______ 

(Round to four decimal places as needed.)

(c) Fewer than half of 16 individuals covering their mouth (1) _______ be surprising because the probability of

observing fewer than half covering their mouth when sneezing is _______ which (2) _______ an unusual event.

(Round to four decimal places as needed.)


According to a study done by a university student, the probability a randomly selected individual will not cover his mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and observe peoples habits as they sneeze. (a) What is the probability that among 16 randomly observed individuals exactly 6 do not cover their mouth when (b) What is the probability that among 16 randomly observed individuals fewer than 3 do not cover their mouth sneezing? (c) Would you be surprised if, after observing 16 individuals, fewer than half covered their mouth when sneezing when ? Why? (a) The probability that exactly 6 individuals do not cover their mouth is (Round to four decimal places as needed.) (b) The probability that fewer than 3 individuals do not cover their mouth is (Round to four decimal places as needed.) be surprising because the probability of (c) Fewer than half of 16 individuals covering their mouth (1) which (2)an unusual observing fewer than half covering their mouth when sneezing is event (Round to four decimal places as needed.) (1) O would (2) O is not O would not O is


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