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The price-earnings (PE) ratios of a sample of stocks have a mean value of 14.75 and a standard deviation of 3. If the PE ratios

The price-earnings (PE) ratios of a sample of stocks have a mean value of 14.75 and a standard deviation of 3. If the PE ratios have a bell shaped distribution, what percentage of PE ratios that fall between:

A. 11.75 and 17.75.

Percentage = % B. 8.75 and 20.75.

Percentage = % C. 5.75 and 23.75.

Percentage = %

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