An urn contains four balls numbered

Reference no: EM131129625

An urn contains four balls numbered 1, 2, 3, and 4. If two balls are drawn from the urn at random (that is, each pair has the same chance of being selected) and Z is the sum of the numbers on the two balls drawn, find

(a) the probability distribution of Z and draw a histogram;

(b) the distribution function of Z and draw its graph.

Reference no: EM131129625

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