Question: Assuming the distribution being sampled is approximately normally distributed, use the small sample confidence interval for the mean to compute a 98% confidence interval for

Assuming the distribution being sampled is approximately normally distributed, use the small sample confidence interval for the mean to compute a 98% confidence interval for ???? when

(a) ???? = 36, ????̄ = 75.4, and ???? = 3.8.

(b) ???? = 45, ????̄ = 563.7, and ???? = 31.6.

(c) ???? = 75, ????̄ = 241.8, and ???? = 27.7.

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