PROBABILITY AND STATISTICS previous question paper for JNTU university 2nd year first semester students Dept: CSE,IT,CSSE PROBABILITY AND STATISTICS previous question paper for JNTU university 2nd year first semester students Dept: CSE,IT,CSSE II B.Tech I Semester Regular Examinations, November 2007 PROBABILITY AND STATISTICS ( Common to Computer Science & Engineering, Information Technology and Computer Science & Systems Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆ ⋆ ⋆ ⋆ ⋆ 1. (a) If A and B are events with P(A) = 1/3, P(B) = 1/4, and P(A U B) = 1/2, find i. P(A/B) ii. P(A \Bc ) (b) Three students A,B,C are in a running race. A and B have the same probability of wining and each is twice as likely to win as C. Find the probability that B or C wins. (c) The students in a class are selected at random one after the other for an examination. Find the probability that the boys and girls are alternate if there are i....
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