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If the prices of all college textbooks follow a bell-shaped distribution, and the mean price is $105 with a standard deviation of $20, using the

If the prices of all college textbooks follow a bell-shaped distribution, and the mean price is $105 with a standard deviation of $20, using the empirical rule, find the percentage of all college textbooks with a price between: (round to whole number)

$65 and $145.

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