In 2009, the average charge for tax preparation by H R Block, Inc was $187 Assuming a normal distribution and a standard deviation of $20, what proportion of H R Blocks tax preparation fees were a more than $187 b between $147 and $227 c between $167 and $207 d more than $227 ...

Given x tax preparation fees normally distributed with m 187 s 20 Usi ...

In 2009, the average charge for tax preparation by H&R Block, Inc. was $187. Assuming a normal

Question:

In 2009, the average charge for tax preparation by H&R Block, Inc. was $187. Assuming a normal and a standard deviation of σ = $20, what proportion of H&R Block’s tax preparation fees were
a. more than $187?
b. between $147 and $227?
c. between $167 and $207?
d. more than $227?
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...