The mean of the times it takes a commuter to get to work in Baltimore is 29.7

Question:

The mean of the times it takes a commuter to get to work in Baltimore is 29.7 minutes.
If the standard deviation is 6 minutes, within what limits would you expect approximately 68% of the times to fall? Assume the is approximately bell shaped.
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...