Question

Much of the NCAA men’s basketball tournament, otherwise known as March Madness, takes place during the workweek. According to CouponCabin.com, 34% of employed adults who plan to watch at least one game plan to watch tournament games from work in 2013. A random sample of 50 employed adults who plan to watch at least one tournament game was selected. Use the normal approximation to the binomial distribution to answer the following:
a. Calculate the mean and standard deviation for this distribution.
b. What is the probability that more than 19 adults from this sample will watch March Madness at work?
c. What is the probability that exactly 15 adults from this sample will watch March Madness at work?
d. What is the probability that less than 23 adults from this sample will watch March Madness at work? e. What is the probability that 12, 13, 14, 15, 16, or 17 adults from this sample will watch March Madness at work?


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  • CreatedJuly 17, 2015
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