The combined gas mileage of midsize cars varies with mean 24 miles per gallon (mpg) and a

Question:

The combined gas mileage of midsize cars varies with mean 24 miles per gallon (mpg) and a standard deviation of about 5.5 mpg. A particular rental car agency typically has 150 midsize cars in its lot. Let represent the mean combined gas mileage for all cars in the lot.
a) What's the approximate model for the of ? Explain.
b) Estimate the probability that is between 25 and 27 mpg.
c) There is only a 5% chance that the mean combined gas mileage is greater than what value?
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...