Question

Find the indicated z-scores shown in the graph. Click to view page 1 of the table. Click to view page 2 of the table. 0.0307 0.0307 ZE? O z=? The Z-scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.)

Answer 1

Solution:

Using z - score

P( Z < -1.87) = 0.0307

z = -1.87

P( Z > z ) = 0.0307

1 - P( Z < z ) = 0.0307

P( Z < z ) = 1 - 0.0307

P( Z < z ) = 0.9693

P( Z < 1.87) = 0.9693

z = 1.87

The z-scores are -1.87 , 1.87