The MBA program at Dover College has an enrollment of 160 ...

[darbym82]

The MBA program at Dover College has an enrollment of 160 students with an average age of 34.7 years old and a standard deviation 5.2 years. A random sample of 40 MBA students was selected.
 
  What is the probability that the average age of the sample is less than 34 years old?A) 0.4443
  B) 0.3300
  C) 0.2946
  D) 0.1635

Question 2

The critical z-score for a 98 confidence level is ________.
 
  A) 1.28
  B) 1.96
  C) 2.33
  D) 2.575

[yasmin]

Answer to Question 1

D

Answer to Question 2

C