What is the probability that a randomly selected hrm

Reference no: EM13215749

Salaries for various positions can vary significantly depending on whether the company is in the public or private sector. The U.S. Department of labor posted the 2007 average salary for human resource managers employed by the federal government at $76,503. assume that annual salaries for this job type are normally distributed and have a standard deviation of $8850.

A. what is the probability that a randomly selected human resource manager received over $100,000 in 2007?

B. a sample of 20 labor relations managers is taken and annual salaries are reported. what is the probability that the sample mean annual salary falls between $70,000 and $80,000?

Reference no: EM13215749

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