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A random sample of size 49 is drawnfrom a normalpopulation with a mean of 63 and standard deviation of 14. What is the probability that

A random sample of size 49 is drawnfrom a normalpopulation with a mean of 63 and standard deviation of 14. What is the probability that the sample mean is less than or equal to 70?

0.9999

0.8085

0.6915

0.0001

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