SOLUTION: What is the probability that a normal random variable has an outcome within 2 standard deviations of the mean?

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Question 1036634: What is the probability that a normal random variable has an outcome within 2 standard deviations of the mean?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Use the Empirical Rule:

See Figure below.



John

My calculator said it, I believe it, that settles it