Question: Use the integral routine to convince yourself that - x 2 f(x) dx = 1, where f (x) is the standard normal density

Use the integral routine to convince yourself that ∫-∞ x2 f(x) dx = 1, where f (x) is the standard normal density function. Conclude that the standard deviation of the standard normal random variable is 1.

Step by Step Solution

3.47 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

The screen below shows t... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Applied Calculus Questions!