Homework Answers
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P(chip declared sound, is sound) =
p(chip sound)*p(chip sound, is declared sound) / p(chip not sound)*P(chip not sound but declared sound ) + p(chip sound)*p(chip sound, is declared sound)
= .995*.97 / (.995*.97 + .005*(1-.95))
= 0.99974
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3. (3 marks) (fron P. 32 #61) Suppose that chips for an integrated circuit are tested...
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A manufacturing plant produces memory chips to be used in cardiac pacemakers. The manufacturing process produces a mix of "good" chips and "bad" chips. The lifetime of good chips follows an exponential law with a rate of failure a, that is: P[chip still functioning after time t]-e-t The lifetime of bad chips also follows an exponential law, but with a much faster failure rate of 500*a. a. Suppose the fraction of bad chips in a typical batch is χ. What...
Suppose that for a very large shipment of integrated circuit chips, the probability of failure for anyone chip is 0.20. Assuming that the assumptions underlying the binomial distributions are met find the probability that at most chips fail in a random sample of 18 Cick here to view page 1 of the table of binomial probably sums Cok here to view page 2 of the table of binomial probably sums The probability at most chips fails Round to four decimal...
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Problem 10-31 (Algo) Large-scale integrated (LSI) circuit chips are made in one department of an electronics firm. These chips are incorporated into analog devices that are then encased in epoxy. The yield is not particularly good for LSI manufacture, so the AQL specified by that department is 20% while the LTPD acceptable by the assembly department is 52%. Assume the company is willing to accept a consumer's risk of 10 percent and a producer's risk of 5 percent. Use Exhibit...
Question 3: (45 marks] Suppose the price-setting equation is given by P= (1+mW where m is the markup. The wage-setting equation is given by W = pe? where z are unemployment benefts and u is the unemployment rate. 1. Derive the real wage and unemployment consistent with equilibrium in the labor market in the medium run. Is this the natural rate of unemployment? Does the equilibrium rate of unemployment change if unemployment benefts decrease? Explain? (8 marks] 2. Draw the...
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Section 3: Capital Asset Pricing Model and Cost of Capital (32 marks) a. Suppose the risk free rate, FRF is 5%, the return on the market, rm is 14% and beta of stock A is 1.4, what is the required rate of return, rs of stock A? (1 mark) b. If the required rate of return on stock M, is 17%, the risk free rate is 5% and the return to market is 15%, what is the beta of stock...
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