. Imperfections in computer circuit boards and computer chips lend themselves to statistical treatment. For a particular type of board the probability of a diode failure is 0.03. Suppose a circuit board contains 200 diodes. (a) What is the mean number of failures among the diodes? (b) What is the variance? (c) The board will work if there are no defective diodes. What is the probabilitythat a board willwork?

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Chapter1: Combinatorial Analysis
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1. Imperfections in computer circuit boards and computer chips lend themselves to statistical
treatment. For a particular type of board the probability of a diode failure is 0.03. Suppose
circuit board contains 200 diodes.
(a) What is the mean number of failures amongthe diodes?
(b) What is the variance?
(c) The board will work if there are no defective diodes. What is the
probability that a board will work?
Transcribed Image Text:1. Imperfections in computer circuit boards and computer chips lend themselves to statistical treatment. For a particular type of board the probability of a diode failure is 0.03. Suppose circuit board contains 200 diodes. (a) What is the mean number of failures amongthe diodes? (b) What is the variance? (c) The board will work if there are no defective diodes. What is the probability that a board will work?
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