Question

The weights of the residents of a certain community in Kentucky are normally distributed with a mean of 150.87 pounds and a standard deviation of 17.68 pounds. What percentage of the residents of this community have weights that are within 1.36 standard deviations of the mean? (Round to the nearest tenth of a percent

Answer #1

150.87-17.68 = 133.19

150.87+17.68 = 168.55

Ans : 68.3 %

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