Suppose that the annual household income in a small Midwestern community is normally distributed with a mean of $55,000 and a standard deviation of $4,500. What minimum income does a household need to...

Suppose that the annual household income in a small Midwestern community is normally distributed with a mean of $55,000 and a standard deviation of $4,500.

1. What minimum income does a household need to earn to be in the top 5% of incomes?


2. What maximum income does a household need to earn to be in the bottom 40% of incomes?