The accompanying table lists a portion of the ages and net worth of the wealthiest people in

Question:

The accompanying table lists a portion of the ages and net worth of the wealthiest people in America; the complete data set can be found on the text website and is labeled Wealthiest_Americans.

a. What percentage of the wealthiest people in America had net worth more than $20 billion?
b. What percentage of the wealthiest people in America had net worth between $10 billion and $20 billion?
c. Construct a stem-and-leaf diagram on age. Comment on the shape of the distribution and how it compares with Table2.16.

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...