Mathematics, 11.04.2021 14:50 yaz1206

1-The president of a university wishes to estimate the average age of the students presently enrolled. From past studies, the standard deviation is known to be 2 years. A sample of 25 students is selected, and the mean is found to be 23.2 years. Find the 95% confidence interval of the population mean.

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1-The president of a university wishes to estimate the average age of the students presently enrolle...