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Unformatted text preview: FINAL EXAM (Form A) PSTAT 5E HSU 6/7/2010 Fully explain your answer. Answers with no explaination will not receive credit. GOOD LUCK!!! 1. (20%) An article in the New England Journal of Medicine states, In this population of men, 40% have heart disease and 60% do not; 45% test positive on the stress test and 55% do not, and, finally 30% both have heart disease and test positive on the stress test. Assuming these numbers are accurate, find the probability that a man selected at random from that population (a) (5%) Does not have heart disease AND tests negative on the stress test. (b) (5%) Does not have heart disease OR tests negative on the stress test. (c) (5%) Tests positive on the stress test given that he has heart disease. (d) (5%) Has heart disease given that he tests positive on the stress test. 2. (15%) The probabilities that two men, Justin and Andrew, independently hit a target are respectively 0.6 and 0.2. Each shoots once at the target....
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This note was uploaded on 11/25/2010 for the course PSTAT PSTAT 5E taught by Professor Landrigan during the Fall '08 term at UCSB.
- Fall '08