A sample of 31 observations is selected from a normal population. The sample mean is 30, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.05...

A sample of 31 observations is selected from a normal population. The sample mean is 30, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.05 significance level.

H
₀: μ ≤ 27

H
₁: μ > 27

1. Is this a one- or two-tailed test?

multiple choice 1

• 
  
  
  

  "One-tailed"—the alternate hypothesis is greater than direction.

  
  
  
  


• 
  
  
  

  "Two-tailed"—the alternate hypothesis is different from direction.

  
  
  
  

1. What is the decision rule?(Round your answer to 3 decimal places.)
   

1. What is the value of the test statistic?(Round your answer to 2 decimal places.)
   

1. What is your decision regardingH
   ₀?

multiple choice 2

• 
  
  
  

  Do not reject

  
  
  
  


• 
  
  
  

  Reject

  
  
  
  

1. 
   e-1. What is thep-value?(Round your answer to 4 decimal places.)
   

1. 
   e-2. Interpret thep-value?(Round your answer to 2 decimal places.)