In a survey, the Canadian Automobile Association (CAA) found that 58% of its members paid cash for

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In a survey, the Canadian Automobile Association (CAA) found that 58% of its members paid cash for their vehicles. Ten CAA members are selected at random.
a. Find the probability that exactly half of the 10 members paid cash for their vehicles.
b. Find the probability that at least half of the 10 members paid cash for their vehicles.
c. If many different groups of 10 CAA members are selected at random, find the mean and standard deviation for the number (among 10) who paid cash for their vehicles.
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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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