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a. Are you likely to be able to pass by guessing on every question? Explain. b. Suppose, after studying for a while, you believe you have raised your chances of getting each question right to 70%. How likely are you to pass now? c. Assuming you are operating at the 70% level and the questions are arranged randomly what is the probability that the third question is the first one you get right?

a. Are you likely to be able to pass by guessing on every question? Explain. b. Suppose, after studying for a while, you believe you have raised your chances of getting each question right to 70%. How likely are you to pass now? c. Assuming you are operating at the 70% level and the questions are arranged randomly what is the probability that the third question is the first one you get right?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 5CT
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A multiple choice test has 50 questions, with 4 answer choices each. You must get at least 30 the test, and the questions are very difficult. a. Are you likely to be able to pass by guessing on every question? Explain. b. Suppose, after studying for a while, you believe you have raised your chances of getting each question right to 70%. How likely are you to pass now? c. Assuming you are operating at the 70% level and the questions are arranged randomly, what is the probability that the third question is the first one you get right? correct to pass
Transcribed Image Text:A multiple choice test has 50 questions, with 4 answer choices each. You must get at least 30 the test, and the questions are very difficult. a. Are you likely to be able to pass by guessing on every question? Explain. b. Suppose, after studying for a while, you believe you have raised your chances of getting each question right to 70%. How likely are you to pass now? c. Assuming you are operating at the 70% level and the questions are arranged randomly, what is the probability that the third question is the first one you get right? correct to pass
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