13. Recent market research reveals that an estimated 30% of U.S. households own
one or more personal computers (PCs). Supposc that in a sample of 500
houscholds in a large high-tech community, 178 own PCs. What distribution is
appropriate to use to estimate the binomial random variable x = the number of
the 500 homes that own PC's?
(A)normal
(B) exponential
(C)Poisson
(D)uniform
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