Using the empirical rule what is the approximate percentage, Ask an Expert

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Heights of women have a bell-shaped distribution with a mean of 161cm and standard deviation of 5cm.

a) Using the empirical rule, what is the approximate percentage of women between 156cm and 166cm?
b) Using Chebyshev's Theorem, at least what percentage of women are between 149cm and 173cm?

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Statistics and Probability, Statistics

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