What percent of the data is in the interval 22-26

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A set of 500 values is normally distributed with a mean of 24 and a standard deviation of 2.

a. What percent of the data is in the interval 22-26?

b. What percent of the data is in the interval 20.5-27.5?

c. Find the interval about the mean that includes 50% of the data.

d. Find the interval about the mean that includes 95% of the data.

Reference no: EM131351668

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