Question 944366
According to a recent survey, 23% of Canadian taxpayers do not plan to contribute to their registered retirement savings plans (RRSPs) for the current taxation year. If 30 Canadian taxpayers are randomly selected, find the probability that between 18 and 22 will contribute to their RRSPs for the current taxation year.
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Binomial Problem with n = 30 and p(contribute) = 0.77
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P(18 <= x <= 22) = binomcdf(30,0.77,22)-binomcdf(30,0.77,17) = 0.3727
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Cheers,
Stan H.
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