An electrical current traveling through a resistor may take one of three different paths, with probabilities p

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An electrical current traveling through a resistor may take one of three different paths, with probabilities p1 = .25, p2 = .30 and p3 = .45, respectively. Suppose we monitor the path taken in n = 10consecutive trials.
a. Find the probability that the electrical current will travel the first path Y1 = 2 times, the second path times, and the third path Y3 = 4 times.
b. Find E(Y2) and V(Y2). Interpret the results.

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Statistics For Engineering And The Sciences

ISBN: 9781498728850

6th Edition

Authors: William M. Mendenhall, Terry L. Sincich

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