A Random Sample N = 15 Is Taken from a Population

question 54

Multiple Choice

A random sample n = 15 is taken from a population assumed to be normal, and = 1.2 and s = .6. Calculate a 98 percent confidence interval for μ.

• A) [.675, 1.725]
• B) [.794, 1.606]
• C) [.876, 1.524]
• D) [.882, 1.518]

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