Question: Two discs are drawn without replacement from a box containing three red and four white discs. If X is the random variable 'the number of

Two discs are drawn without replacement from a box containing three red and four white discs. If X is the random variable 'the number of white discs drawn', construct a probability distribution table. Find

(a) E(X),

(b) E(X),

(c) Var(X),

(d) Var(3X-4).

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