Question: Solve the question in the attachment. We take a random sample X1 , . .., X9 with sample mean and sample variance: X = 3.52,

Solve the question in the attachment.

We take a random sample X1 , . .., X9 with sample mean and sample variance: X = 3.52, $2 = 6.76. Let [ X - A, X + A ] be the usual 99-percent confidence interval for the true mean. Compute A. Number

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