A survey of 61 randomly selected students finds that they spend a mean of $406 per semester. Assume that the population standard deviation is $52 per month. Confidence Interval: What is the 90% confidence interval to estimate the population mean? Round your answers to two decimal places. < ? <
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- The sample size is given as 61. - The population standard deviation is given as 552. Show more…
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A survey of 88 randomly selected students finds that they spend a mean of $422 per semester. Assume that the population standard deviation is $51 per month. Confidence Interval: What is the 95% confidence interval to estimate the population mean? Round your answers to two decimal places.
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