On a test to obtain a securities license there are 20 questions with possible answers A, B, C, D, & E. Getting 70% (or 14 out of 20) correct is necessary to pass. A student is certain he knows 10 but must guess on the other 10. What is the probability of getting at least 4 correct by guessing on the 10? Express your answer in 4 decimal place value

On a test to obtain a securities license there are 20 questions with possible answers A, B, C, D, & E. Getting 70% (or 14 out of 20) correct is necessary to pass. A student is certain he knows 10 but must guess on the other 10. What is the probability of getting at least 4 correct by guessing on the 10? Express your answer in 4 decimal place value

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section: Chapter Questions

Problem 41CT: On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form...

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