Question

According to the Pew Research Center, 23% of American adults read an ebook during 2012. A random sample of nine adults was selected.
a. What is the probability that exactly two adults from this sample read an ebook last year?
b. What is the probability that less than four adults from this sample read an ebook last year?
c. What is the probability that five or more adults from this sample read an ebook last year?
d. What are the mean and standard deviation for this distribution?
e. Construct a histogram for this distribution.


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  • CreatedJuly 17, 2015
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