A Random Sample N = 15 Is Taken from a Population

question 134

Multiple Choice

A random sample n = 15 is taken from a population assumed to be normal, and = 1.2 and the sample variance is .36. Calculate a 99 percent confidence interval for μ.

• A) [.923, 1.477]
• B) [.794, 1.607]
• C) [.801, 1.600]
• D) [.739, 1.661]

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