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A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24students are randomly selected, find the probability that the
A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24students are randomly selected, find the probability that the mean of their testscores is less than 70.0.03010.02780.96990.1006
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