A recent study found that 19% of people (ages 16 and older) in the United States own

Question:

A recent study found that 19% of people (ages 16 and older) in the United States own an e-reader. You randomly select four people (ages 16 and older) and ask them whether they own an e-reader. Construct a probability distribution for the random variable x. Then graph the distribution.

a. Find the binomial probability for each value of the random variable x.

b. Organize the values of x and their corresponding probabilities in a table.

c. Use a histogram to graph the binomial distribution. Then describe its shape.

d. Are any of the events unusual? Explain.

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...