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suppose the average number of work hours per year, for your employees, has been 2,000 hours...

suppose the average number of work hours per year, for your employees, has been 2,000 hours with a standard deviation of 209 hours. please graph and calculate the probability that any random employee that you observe, will work between 1,900 hours and 2,400 hours next year. Hint: the two z's and be ready to add

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