Question: Using the large sample confidence interval formula for the mean, compute a 98% confidence interval for the mean when (a) ???? = 173, ???? =

Using the large sample confidence interval formula for the mean, compute a 98%

confidence interval for the mean when

(a) ???? = 173, ????̄ = 33.2, and ???? = 3.4.

(b) ???? = 211, ????̄ = 561.7, and ???? = 50.2.

(c) ???? = 431, ????̄ = 22.9, and ???? = 3.1.

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