Mathematics, 30.11.2019 02:31, chloejason8375

Arandom sample of 510 high school students has a normal distribution. the sample mean average act exam score was 21 with a 3.2 standard deviation. construct a 99% confidence interval estimate of the population mean average act exam. find the critical value

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Arandom sample of 510 high school students has a normal distribution. the sample mean average act ex...