Question
According to a study done by a universitystudent, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267
According to a study done by a universitystudent, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267
0.267. Suppose you sit on a bench in a mall and observepeople's habits as they sneeze.
(a) What is the probability that among 12
randomly observed individuals exactly 4
do not cover their mouth whensneezing?
(b) What is the probability that among 12
randomly observed individuals fewer than 6
do not cover their mouth whensneezing?
(c) Would you be surprisedif, after observing 12
individuals, fewer than half covered their mouth whensneezing? Why?
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Elementary Linear Algebra with Applications
Authors: Bernard Kolman, David Hill
9th edition
132296543, 978-0132296540
