Question: Given that x is a normal variable with mean = 52 and standard deviation = 6.3 , find the following probabilities. (Round your answers to

Given thatxis a normal variable with mean=52and standard deviation=6.3, find the following probabilities. (Round your answers to four decimal places.)

According to the empirical rule, approximately what percentage of the area under a normal distribution lies within 1 standard deviation?

%

Within 2 standard deviations?

%

Within 3 standard deviations?

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