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A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spend studying per week. Based on a simple random sample, they surveyed 144 students. The statistics showed that students studied an average of 20 hours per week with a standard deviation of 10 hours.

What is the probability that a sample mean would exceed 20 hours per week?

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Category:- Statistics and Probability
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