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Suppose a normally distributed set of data with 8300 observations has a mean of 127 and a standard deviation of 15. Use the 68-95-99.7 Rule

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Suppose a normally distributed set of data with 8300 observations has a mean of 127 and a standard deviation of 15. Use the 68-95-99.7 Rule to determine the number of observations in the data set expected to be below a value of 157. Round your result to the nearest single observation. Answer = Question Help: D Post to forum Submit

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