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Let x be the total number of customers in a one-hour interval and y be the total number of female customers in the same interval. find the joint pmf of x and y.

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x/Hr and they want number of female customers in the same hours Y/Hr.
They give you two variables and they want you to find the probability of two variables X and Y is there more to the Question? what are they asking?
User Nadja Simons
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