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Unformatted text preview: 3. In a cannery, assembly lines I, II, and III account, respectively, for 37%, 42% and 21% of total output. If 0.6% of the cans from assembly line I are improperly sealed, while the corresponding percentages for assembly lines II and III are 0.4% and 1.2%, what is the probability that an improperly sealed can came from assembly line III? Ans (0.21*1.2%)/(0.37*0.6%+0.42*0.4%+0.21*0.2%) 4. Two drugs A and B are given to 200 patients in an experiment. The dealer of drug A has suggestion treating 30 men and 70 women patients with drug A. A quota of another 100 patients is allocated to treatment of drug B. The following table shows the recovery probabilities of treated patients with the two drugs. Men Woman A 0.3 0.7 B 0.2 0.6 a) Show the recovery probabilities for drug A is higher for both Men and Women. b) In order to claim a higher recovery rate, at least how many women should be treated by the drug dealer of B? Ans (b) > 95...
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 Spring '08
 SMSLee
 Statistics, Probability

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