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 .
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  .
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  .
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