According to the U S Labor Department, average weekly wages in February 2013 were $ 822 Assume weekly wages in the United States follow the normal distribution with a standard deviation of $ 190 a What is the probability that a randomly selected worker in the United States earned 1 Less than $ 900 ...

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According to the U. S. Labor Department, average weekly wages in February 2013 were $ 822. Assume

Question:

According to the U. S. Labor Department, average weekly wages in February 2013 were $ 822. Assume weekly wages in the United States follow the normal with a standard deviation of $ 190.
a. What is the probability that a randomly selected worker in the United States earned
1. Less than $ 900 per week?
2. Between $ 800 and $ 920 per week?
3. Between $ 550 and $ 700 per week?
4. Between $ 750 and $ 1,100 per week?
b. Confirm the answers to part a with Excel or PHStat.
c. What weekly wage will a person earn if he or she is in the 45th percentile? 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...