Question: The average charitable contribution itemized per income tax return in Pennsylvania is $792. Suppose the distribution of contributions is normal with a standard deviation of
The average charitable contribution itemized per income tax return in Pennsylvania is $792. Suppose the distribution of contributions is normal with a standard deviation of $96. Find the limits of the middle $60 of contributions. Use a graphing calculator and round the answers.
The limits for the middle 60% of contributions are $_____ and $ _______?
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