According to the American Automobile Associations 2012 annual report Your Driving Costs, the cost of owning and

Question:

According to the American Automobile Association’s 2012 annual report Your Driving Costs, the cost of owning and operating a four-wheel drive SUV is $11,350 per year (USA TODAY, April 27, 2012). This cost includes expenses for gasoline, maintenance, insurance, and financing for a vehicle that is driven 15,000 miles a year. Suppose that the of such costs of owning and operating all four wheel drive SUVs has a mean of $11,350 with a standard deviation of $2390. Let x̅ be the average of such costs of owning and operating a four-wheel drive SUV based on a random sample of 400 four-wheel drive SUVs. Find the mean and standard deviation of the sampling of x̅.

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...