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A sample of 3000 observations has a mean of 89 and a standard deviation of 14. The distribution is bell-shaped. Using the empirical rule, find

A sample of 3000 observations has a mean of 89 and a standard deviation of 14. The distribution is bell-shaped. Using the empirical rule, find what percentage of the observations fall in the intervals x1s, x2s, and x3s.

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