Question

The average burnout score for all US Army troops who have served more than one tour of duty is 104, with a standard deviation of 8.


If we want to calculate what percent of 12-person work units score between 110 and 111 on the burnout scale, what is the first Z score that we calculate?

2.60

-1.03

1.03

0.75

-0.75

-2.60

Answer 1

The average burnout score for all US Army troops who have served more than one tour of duty is 104, with a standard deviation of 8.
we want to calculate the percent of 12-person work units score between 110 and 111 on the burnout scale

We need to calculate the first Z score is,

  

Z-score is 2.60 (a)

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