According to a PNC Financial Independence Survey released in March 2012, todays U.S. adults in their 20s

Question:

According to a PNC Financial Independence Survey released in March 2012, today’s U.S. adults in their 20s “hold an average debt of about $45,000, which includes everything from cars to credit cards to student loans to mortgages” (USA TODAY, April 24, 2012). Suppose that the current of debts of all U.S. adults in their 20s has a mean of $45,000 and a standard deviation of $12,720. Find the probability that the average debt of a random sample of 144 U.S. adults in their 20s is
a. Less than $42,600
b. More than $46,240
c. $43,190 to $46,980 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...