Refer to the accompanying frequency table, which describes the age distribution of Canadians who died of cancer

Question:

Refer to the accompanying frequency table, which describes the age of Canadians who died of cancer (based on data from Statistics Canada).
a. Assuming that the class of "75 and over" has a class midpoint of 80, calculate the mean age of the Canadians who died of cancer.
b. Using the same assumption given in part (a), calculate the standard deviation of the ages summarized in the table.
c. If one of the 53,964 ages is randomly selected, find the probability that it is below 15 or above 64.
d. If one of the 53,964 ages is randomly selected, find the probability that it is below 15 or between 5 and 44.
e. If two different ages are randomly selected from those summarized in the table, find the probability that they are both between 0 and 4 years.

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...