A random sample of size 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]

Question

A random sample of size 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]

Quizplus · Accepted Answer

The Answer of A random sample of size 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 of Size 15 Is Taken from a Population