Suppose the data have a bell-shaped distribution with a mean of 30 and a standard deviation of

Question:

Suppose the data have a bell-shaped with a mean of 30 and a standard deviation of 5. Use the empirical rule to determine the percentage of data within each of the following ranges:
a. 20 to 40
b. 15 to 45
c. 25 to 35
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...