Calculate the missing values identified by asterisks. What ...

[bobthebuilder]

Calculate the missing values identified by asterisks. What patterns do you see in this table?
 
  What will be an ideal response?

Question 2

Given that Z is a standard normal variable, the value z1 for which P(Z  z1 ) = 0.242 is:
 
  A) 0.70
  B) 0.65
  C) -0.70
  D) -0.65

[raenoj]

Answer to Question 1

Year A B C D F Total
Freshman 13 17 28 8 3 69
Sophomore 14 23 17 10 1 65
Junior 17 19 10 2 1 49
Senior 5 8 4 0 0 17
Total 49 67 59 20 5 200

It appears that the earlier a student is in his or her college career, the worse they will do in class.

Answer to Question 2

C

[bobthebuilder]

Thanks for the timely response, appreciate it

[Joy Chen]

Great answer, keep it coming