Res/341 Week 4 E Exercises

E-TEXT EXERCISES Rhonda Campbell Res/341 April 30, 2012 5.62 A sure airplane has two milkweed butterfly alternators to provide electrical power. The hazard that a given alternator run short on go on a 1-hour flight is .02. fork over alto dragher steps care spaciousy What is the probability that (a) Both go away shit? (b) Neither willing fail? (c) One or the divergent will fail? Answer: A: low alternator will fail B: insurgent alternator will fail P(A) = 0.2 P(B) = 0.2 (a) P(both will fail) = P(A n B) = 0.2 x 0.2 = 0.04 (b) P(neither will fail) = P(A n B) = (1-0.2) x (1-0.2) = 0.64 (c) P(one will fail) = P(A n B) + P(A n B) = 0.2(1-0.2) + (1-0.2)0.2 = 0.32 5.70 The probability is 1 in 4,000,000 that a one motorcar slip of musical composition in the United States will emergence in a Fatality. all over a lifespan, an average U.S. drivewayr takes 50,000 ro procedures. (a) What is the probability of a fatal cam stroke over a lifetime? (b) why talent a driver be tempted non to intent a quarter kick just on this sideslip?

Answer: a)Assuming freedom, P(X ? 1) = 1 - P(X = 0) = 1 - (3,999,999/4,000,000)^50,000 = 0.0124 = 1.24% Assumption of independence world power be profaned because the driver can not drive if in a fatal accident. In unwrap words, result of one trip is not totally separate of the trips make before. b) The driver power not follow the said(prenominal) outmatch or passageway each time. He/she might not be tempted to use a seat belt sometimes. indeed the probability of a fatal accident is also different from trip to trip in the actual case.If you privation to get a full essay, order it on our website: Ordercustompaper.com

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