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The probability distribution of job satisfaction scores for senior executives are as follows. Job Satisfaction 1...

The probability distribution of job satisfaction scores for senior executives are as follows.

Job Satisfaction

1

2

3

4

5

probability

0%

10%

20%

30%

40%

If you survey 100 senior executives, what is the probability that the average job satisfaction score is greater than 3.9?

a.

0.84134
b.

0.02275
c.

0.15866
d.

0.5
e.

0.97725
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