A random sample of size 30 from a normal population yields = 32.8 with a population standard deviation of 4.51.Construct a 95 percent confidence interval for μ.
A)[23.96,41.64]
B)[32.04,33.56]
C)[31.45,34.15]
D)[31.19,34.41]

Question

A random sample of size 30 from a normal population yields  = 32.8 with a population standard deviation of 4.51.Construct a 95 percent confidence interval for μ.
A)[23.96,41.64] 
B)[32.04,33.56] 
C)[31.45,34.15] 
D)[31.19,34.41]

Quizplus · Accepted Answer

The Answer of A random sample of size 30 from a normal population yields  = 32.8 with a population standard deviation of 4.51.Construct a 95 percent confidence interval for μ.
A)[23.96,41.64] 
B)[32.04,33.56] 
C)[31.45,34.15] 
D)[31.19,34.41]

A Random Sample of Size 30 from a Normal Population