The length of time it takes for a stock analyst to complete an evaluation of a company's earnings forecast is normally distributed with a standard deviation of 1.7 hours.From looking at the time spent by an analyst evaluating 15 randomly-selected stocks you find that the sample mean was 6.4 hours.If you know that the probability of getting a sample mean this large or larger is 0.36,what is the mean of the population?
Correct Answer:
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= 6.40,σ = 1.7
P(
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