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(a) Using the binomial distribution, what is the probability that among 18 randomly observed individuals, exactly 7 do not cover their mouth when sneezing? The probability is O (Round to four decimal places as needed.) (b) Using the binomial distribution, what is the probability that among 18 randomly observed individuals, fewer than 6 do not cover their mouth when sneezing? The probability is O. (Round to four decimal places as needed.) (c) Using the binomial distribution, would you be surprised if, after observing 18 individuals, fewer than half covered their mouth when sneezing? Why? be surprising, because the probability is . which is 0.05.

(a) Using the binomial distribution, what is the probability that among 18 randomly observed individuals, exactly 7 do not cover their mouth when sneezing? The probability is O (Round to four decimal places as needed.) (b) Using the binomial distribution, what is the probability that among 18 randomly observed individuals, fewer than 6 do not cover their mouth when sneezing? The probability is O. (Round to four decimal places as needed.) (c) Using the binomial distribution, would you be surprised if, after observing 18 individuals, fewer than half covered their mouth when sneezing? Why? be surprising, because the probability is . which is 0.05.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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According to a study done by Nick Wilson of Otago University Wellington, 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. Complete parts (a) through (c). (a) Using the binomial distribution, what is the probability that among 18 randomly observed individuals, exactly 7 do not cover their mouth when sneezing? The probability is: (Round to four decimal places as needed.) (b) Using the binomial distribution, what is the probability that among 18 randomly observed individuals, fewer than 6 do not cover their mouth when sneezing? The probability is. (Round to four decimal places as needed.) (c) Using the binomial distribution, would you be surprised if, after observing 18 individuals, fewer than half covered their mouth when sneezing? Why? it be surprising, because the probability is which is 0.05. (Round to four decimal places as needed.)
Transcribed Image Text:According to a study done by Nick Wilson of Otago University Wellington, 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. Complete parts (a) through (c). (a) Using the binomial distribution, what is the probability that among 18 randomly observed individuals, exactly 7 do not cover their mouth when sneezing? The probability is: (Round to four decimal places as needed.) (b) Using the binomial distribution, what is the probability that among 18 randomly observed individuals, fewer than 6 do not cover their mouth when sneezing? The probability is. (Round to four decimal places as needed.) (c) Using the binomial distribution, would you be surprised if, after observing 18 individuals, fewer than half covered their mouth when sneezing? Why? it be surprising, because the probability is which is 0.05. (Round to four decimal places as needed.)
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