Much of the NCAA mens basketball tournament, otherwise known as March Madness, takes place during the workweek.

Question:

Much of the NCAA men’s basketball tournament, otherwise known as March Madness, takes place during the workweek. According to a survey from marketwatch.com in 2018, 40% of workers say that they always watch March Madness at the office. 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 fewer 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?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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