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You want to know how much, on average, UNL students study each week. You take a random sample of 80 students and obtain a 95

You want to know how much, on average, UNL students study each week. You take a random sample of 80 students and obtain a 95 % confidence interval of (8.2,17.6) hours. Is the following a valid or an invalid interpretation of the interval? 95% of the time, the long-run mean hours spent studying per week for UNL students is between 8.2 and 17.6. Invalid Valid

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