Is D the answer I think am not that sure I try my best
Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.
(3,-9)
Answer:
B
Step-by-step explanation:
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:
1.25.
Step-by-step explanation:
The common ratio r is 1/5 and the first term a1 = (1/5)^(1-1) = 1.
Sum to infinity = a1 / (1 - r)
= 1 / (1 - 1/5)
= 1 / 4/5
= 5/4
= 1.25 (answer)