Suppose that we wish to estimate the mean CPU service time of a job and we wish
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Question:
Suppose that we wish to estimate the mean CPU service time of a job and we wish to assert with 99% confidence that the estimated value is within less than 0.5 sec of the true value. Suppose that the past experience suggests that CPU service time is normally distributed with standard deviation = 1.5 sec. How many observations should we take?
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