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Suppose the data have a bell-shaped distribution with a mean of 50 and a standard deviation of 5. Use the empirical rule to determine the

Suppose the data have a bell-shaped distribution with a mean of 50 and a standard deviation of 5. Use the empirical rule to determine the percentage of data within each of the following ranges:

40 to 60 =%?

35 to 65 = %?

45 to 55 = %?

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