1

profilehomework_now

A sample of 30 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.05 significance level.

  
H0 : μ ≤ 20
H1 : μ > 20

 

a.Is this a one- or two-tailed test?
  
 
 H0when z >  (Reject) or (Do Not Reject)

 evidence to conclude that the population mean is greater than 20.

 

 

e.What is the p-value? (Round your answer to 4 decimal places.)

 

  p-value[removed]    

    • 7 years ago
    • 2
    Answer(0)
    Bids(0)