Two textbooks are selected at random from a shelf that, Basic Statistics

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Two textbooks are selected at random from a shelf that

With reference to Exercise 97, find

(a) the marginal distribution of X;

(b) the conditional distribution of Y given X = 0.

Exercise 97

Two textbooks are selected at random from a shelf that contains three statistics texts, two mathematics texts, and three physics texts. If X is the number of statistics texts and Y the number of mathematics texts actually chosen, construct a table showing the values of the joint probability distribution of X and Y.

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