Edvard has to take a seven-question multiple-choice quiz in his sociology class. Each question has four choices for answers, of which only one is correct. Assuming that Edward guesses on all seven questions, what is the probability that he will answer a) all seven questions correctly, b) exactly four questions correctly, c) at least four questions correctly. a) The probability is (Type an integer or decimal rounded to five decimal places as needed.) b) The probability isO (Type an integer or decimal rounded five decimal places as needed.) c) The probability is (Type an integer or decimal rounded to five decimal places as needed.)

Edvard has to take a seven-question multiple-choice quiz in his sociology class. Each question has four choices for answers, of which only one is correct. Assuming that Edward guesses on all seven questions, what is the probability that he will answer a) all seven questions correctly, b) exactly four questions correctly, c) at least four questions correctly. a) The probability is (Type an integer or decimal rounded to five decimal places as needed.) b) The probability isO (Type an integer or decimal rounded five decimal places as needed.) c) The probability is (Type an integer or decimal rounded to five decimal places as needed.)

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 6ECP: In Pennsylvania’s Cash 5 game, a player chooses five different numbers from 1 to 43. If these five...

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