Inverse Normal and Continuity Corrections Test

Unit Test #71

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

Q1:

 

 If Z is a standard normal distribution find the value of b if P(Z > b) = 0.2

A. 0.8

B. 0.841

C. 0.159

D. 0.2

Answer 1:

 

 

Q2:

 

If  find the value of μ

 

A. 77

B. 75

C. 76

D. 82

Answer 2:

 

 

Q3:

 

If Z is a standard normal distribution find the value of b if P(Z < b) = 0.4

 

A. -0.747

B.- 0.4

C. -0.6

D. -0.253

Answer 3:

 

 

Q4:

 

Which type of data in a normal distribution is likely to need a continuity correction?

 

A. Discrete

B. Continuous

Answer 4:

 

 

Q5:

 

 A normally distributed variable X has a mean of 10 and a standard deviation of 2. Find P(X ≥ 13). A continuity correction is necessary.

A. 1.25

B. 0.1056

C. 0.3944

D. 0.8944

Answer 5: