Q. No. 12 Each multiple choice question consisting of 4 choices has just one correct answer. If a student makes random guesses, the probability of getting the correct answer is 0.25. An exam consists of 12 sequentially appearing MCQS. A student coming unprepared to the exam intends to make random choices. a. What is the probability that she gets at least 10 of them correct. b. What is the probability that she needs to attempt 8 question to get the first correct guess c. What is the probability that she has to attempt 10 to get 4 correct answers?

Q. No. 12 Each multiple choice question consisting of 4 choices has just one correct answer. If a student makes random guesses, the probability of getting the correct answer is 0.25. An exam consists of 12 sequentially appearing MCQS. A student coming unprepared to the exam intends to make random choices. a. What is the probability that she gets at least 10 of them correct. b. What is the probability that she needs to attempt 8 question to get the first correct guess c. What is the probability that she has to attempt 10 to get 4 correct answers?

Name: Q. No. 12Each multiple choice question consisting of 4 choices has ju
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Description: Q. No. 12Each multiple choice question consisting of 4 choices has just one correct answer. If a student makes randomguesses, the probability of getting the correct answer is 0.25. An exam consists of 12 sequentially appearingMCQS. A student coming

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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