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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The Answer of 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]

A Random Sample N = 15 Is Taken from a Population