Question

Using a TI-84 calculator, find the area under the standard normal curve to the right of the following z-values. Round the answers to four decimal places.

Part 1 of 4

The area to the right of z=0.47 is _______ 

Part 2 of 4

The area to the right of z=-2.43 is _______ 

Part 3 of 4

The area to the right of z=2.04 is _______ 

Part 4 of 4

The area to the right of z=1.28 is _______ 

Answer 1

Ti-84 Steps:

Press 2^nd.

Then press VARS to access DISTR menu.

Select 2: normalcdf( function.

Enter lower limit and upper limits.

Use upper limit = 100 (You can use any large number. Or use +infinity.]

Enter.

You will get required probability.

Part 1

Answer: 0.3192

Part 2

Answer: 0.9925

Part 3

Answer: 0.0207

Part 4

Answer: 0.1003