Standard normal random variable


If z is a standard normal random variable, the area between z = 0.0 and z =1.20 is 0.3849, while the area between z = 0.0 and z = 1.40 is 0.4192. What is the area between z = -1.20 and z = 1.40?

1. 0.0808

2. 0.1151

3. 0.0343

4. 0.8041

Solution Preview :

Prepared by a verified Expert
Basic Statistics: Standard normal random variable
Reference No:- TGS0690979

Now Priced at $20 (50% Discount)

Recommended (97%)

Rated (4.9/5)