A job satisfaction index score for nurses is normally distri

A job satisfaction index score for nurses is normally distributed with a mean of and standard deviation of . Find the probability that a nurse will score:

a) Over 60.

b) Less than 30.

c) Between 40 and 50.

d) What score would a nurse need to be in the 90th percentile?

Please include all steps with the answer

Solution

A job satisfaction index score for nurses is normally distributed with a mean of .......? and standard deviation of ...........?

You have not given here mean and s.d.