Question

The Bureau of Labor Statistics provides compensation information on and services for various positions.As of May 2008, the national average salary for an RN (registered nurse) was $65,130. Suppose the standard deviation is $9385. Find the following for the mean of a random sample of 100 such nurses.
a. The probability that the mean of the sample is less than $62,500
b. The probability that the sample mean is between $64,000 and $67,500
c. The probability that the sample mean is greater than $66,000


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  • CreatedAugust 28, 2015
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