# pracmt1 - Practice Midterm Exam 1 1. You are given the...

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Practice Midterm Exam 1 1. You are given the following: P ( A ) = 0 . 35 ,P ( B ) = 0 . 45 ,P ( AB ) = 0 . 18 . (a) Calculate P ( A or B ) . (b) Calculate P ( A c ) . (c) Calculate P ( A c B ) . (Hint: Draw a picture.) 2. Consider a sample space with five mem- bers: 1, 2, 3, 4 and 5. Assume the ELC and i.i.d. trials. (a) Calculate P ( X 1 = X 2 ) . (b) Calculate P ( X 1 + X 2 + X 3 = 4) . 3. Kobe likes to play basketball. Assume that Kobe’s free throw attempts are BT with p = 0 . 85 . (a) Kobe will shoot three free throws. Calculate the probability that he ob- tains S, F, S, in that order. (b) Kobe will shoot four free throws. Cal- culate the probability that he obtains a total of exactly three successes. (c) Next week Kobe will shoot two free throws on Friday. The number of free throws he shoots on Saturday will equal the number that he makes on Friday. Let Y denote the total number of free throws that Kobe makes on Friday and Saturday combined. Calculate

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## This note was uploaded on 10/23/2009 for the course STAT STATS 371 taught by Professor Professorwardrop during the Fall '09 term at Wisconsin.

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pracmt1 - Practice Midterm Exam 1 1. You are given the...

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