Question
The number of customers Z that arrive at the bank on a certain day is distributed as a Poisson random variable, with (mean) parameter
The number of customers Z that arrive at the bank on a certain day is distributed as a Poisson random variable, with (mean) parameter λ > 0. Each custom others, either goes to the teller with probability p, or to the ATM, with probability 1-p (with 0
(a) Find the probability distribution of X.
(b) Find the probability distribution of Y.
(c) Are X and Y independent? Explain your reasoning.
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Elementary Statistics A Step By Step Approach
Authors: Allan G. Bluman
10th Edition
1259755330, 1259755339, 978-1259755330
