Estimate the population mean by finding a 98% confidence interval given a sample of size 54, with a mean of 49.2 and a standard deviation of 7.4. Preliminary: a. Is it safe to assume that n ≤ 0.05 of all subjects in the population? من Yes No b. Is n 30? Yes No Confidence Interval: What is the 98% confidence interval to estimate the population mean? Enter your answer as an open-interval (i.e., parentheses) accurate to one decimal place. 98% C.I. =||

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