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please answer it perfectly (b) Find Var (X) . Hint: Let A, be the event that the elevator stops at the ith floor. By the

please answer it perfectly
(b) Find Var (X) . Hint: Let A, be the event that the elevator stops at the ith floor. By the inclusion- exclusion principle, we have for i # j that P(A; n A;) = P(A;) + P(A;) - P(A; UA,) = (1 -P(A;)) + ((1 -P(A;)) - ((1-P(A;nA;)) = 1- 35)") + 1-(29)") - 6-(23)")

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Question

please answer it perfectly (b) Find Var (X) . Hint: Let A, be the event that the elevator stops at the ith floor. By the

please answer it perfectly (b) Find Var (X) . Hint: Let A, be the event that the elevator stops at the ith floor. By the inclusion- exclusion principle, we have for i # j that P(A; n A;) = P(A;) + P(A;) - P(A; UA,) = (1 -P(A;)) + ((1 -P(A;)) - ((1-P(A;nA;)) = 1- 35)") + 1-(29)") - 6-(23)")

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Recommended Textbook for

Managerial Accounting Tools for Business Decision Making

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please answer it perfectly
(b) Find Var (X) . Hint: Let A, be the event that the elevator stops at the ith floor. By the inclusion- exclusion principle, we have for i # j that P(A; n A;) = P(A;) + P(A;) - P(A; UA,) = (1 -P(A;)) + ((1 -P(A;)) - ((1-P(A;nA;)) = 1- 35)") + 1-(29)") - 6-(23)")