Answer:
(a) The Expected value of the job satisfaction score for senior executives is 4.05.
(b) The Expected value of the job satisfaction score for middle managers is 3.84.
(c) The Variance of job satisfaction scores for executives and middle managers is 1.13
(d) The Standard Deviation of job satisfaction scores for both probability distributions 1.11 and 1.06.
Step-by-step explanation:
Explanation with steps is in the following attachments.
Answer:
I think u should do like this
Answer:
95 is the answer
Step-by-step explanation:




I think the answer is D. Correct me if i’m wrong.
Answer:
A
Step-by-step explanation:
140+90