The following table shows the distribution of ages of Americans. Age distribution in reference population Find the

Question:

The following table shows the of ages of Americans.
Age in reference population

The following table shows the distribution of ages of Americans.
Age

Find the probability that the age of a randomly chosen American
(a) Is less than 20.
(b) Is between 20 and 49.
(c) Is greater than 49.
(d) Is greater than 29.

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...