What is the area of the shaded region between the two z-scores indicated in the diagram? z=-1.25 and z = 0.80

Question

Mathematics

Levine

29 November, 18:10

What is the area of the shaded region between the two z-scores indicated in the diagram? z=-1.25 and z = 0.80

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Answers (1)

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Carolyn Jensen · Answer 1

Given that the z-scores are given by:

z=-1.25 and z=0.80

the area between the z-score will be:

P (z<0.80) - P (z<-1.25)

The value corresponding to z-score of:

z<0.80 is 0.7881

z<-1.25 is 0.1056

thus the area will be:

0.7881-0.1056

=0.6825