In 2008, the murder rates (per 100,000 residents) for the 50 states and the District of Columbia

Question:

In 2008, the murder rates (per 100,000 residents) for the 50 states and the District of Columbia (D.C.) had a mean of 5.39 and a standard deviation of 4.434 (Statistical Abstract of the United States).8
a. D.C. had a murder rate of 31.4. Find its z -score. If the were roughly normal, would this be unusually high? Explain.
b. Based on the mean and standard deviation, do you think that the of murder rates is approximately normal? Why or why not?
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...