# Question

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

a. more than $187?

b. between $147 and $227?

c. between $167 and $207?

d. more than $227?

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