Determine the 90% Confidence Interval Estimate for the Population Mean

question 19

Multiple Choice

Determine the 90% confidence interval estimate for the population mean of a normal distribution given n = 100,σ = 121,and = 1,200.

• A)(1186.31,1213.69)
• B)(1180.10,1219.90)
• C)(1182.56,1217.44)
• D)(1191.12,1208.88)

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