Probability-Law of Total Probability (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 5 - 5 of 5

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Question number: 5

» Probability » Law of Total Probability



Two players A and B are competing at a trivia quiz game involving a series of questions. On any individual question, the probabilities that A and B give the correct answer are α and β respectively, for all questions, with outcomes for different questions being independent. The game finishes when a player wins by answering a question correctly. What is the probability that A wins if B answers the first question?


Choice (4) Response





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