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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