Standard Normal Distribution | Properties, Skewness, Mean, Variance

Standard Normal Distribution

Prev Question Next Question

Question

Which of the following is/are true about a standard normal distribution?

I. It has zero skewness.

II. It is characterized completely by exactly one parameter.

III. It ranges from negative infinity to positive infinity.

IV. It has a non-zero mean and variance.

Answers

A. I, II, III and IV

B. I & III

C. II only

D. III only

E. I only

F. IV only

G. II and III

H. III and IV B

Show Answer

Explanations

Click on the arrows to vote for the correct answer

A. B. C. D. E. F. G. H.

Explanation

A normal distribution is characterized by two parameters, the mean and the variance. The standard normal distribution, though, has a zero mean and a variance of

1 and hence, has no free parameters.

Prev Question Next Question