Question

It turns out that making a lot of money doesn’t necessarily make you sexy. In a poll conducted by Salary.com, firefighters hosed down the competition and won the title of “sexiest job” with 16% of the votes.
Suppose you randomly select 50 adults. Use the normal approximation to the binomial distribution to find the probability that within your selection,
a. more than 12 of the adults pick firefighter as the sexiest job.
b. fewer than 8 of the adults pick firefighter as the sexiest job.
c. from 7 to 14 of the adults pick firefighter as the sexiest job.


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  • CreatedAugust 28, 2015
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