347.2009.final

347.2009.final - NAME ACSC/MATH 347/447 Final Exam May 11,...

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NAME ACSC/MATH 347/447 Final Exam May 11, 2009 Directions. Show all work. Full credit will not be given unless sufficient work is shown or a suitable explanation given . You may not use the cdf or pdf functions on a calculator in any problem. You may leave binomial coefficients in your answers. Part of the credit for each problem will be for style, readability, and mathematical correctness. The maximum score is 100 points. hours is allowed for the test . 1. (10 points) If A and B are events with P ( A ) = 0.7, P ( B ) = 0.2, and P (A B ) = 0.1, find: a. P ( A B ) b . ܲሺܣ c . P ( A | B ) d. Are A and B independent? You must explain for credit . 2. (10 points) Let Y be the number of spots on the face showing after a biased die is rolled. The table below includes part of the probability function, p ( y ), of the random variable, Y . In each part, in order to receive credit you must write enough to show how you get your answer. a. Find p ( 6 ) . b . C a l c u l a t e P ( Y 3). c. Find E (3 Y – 2 ). y
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This note was uploaded on 02/23/2011 for the course MATH 444 taught by Professor Any during the Fall '10 term at Roosevelt.

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347.2009.final - NAME ACSC/MATH 347/447 Final Exam May 11,...

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