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An Unprepared Student Must Take a 7-Question, Multiple-Choice Test That

Question 78

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An unprepared student must take a 7-question, multiple-choice test that has 5 possible answers per question. If the student can eliminate 1 of the possible answers on the first 5 questions, and if she guesses on every question, what is the probability that she will answer every question incorrectly? ​


A) Pr(all incorrect) = An unprepared student must take a 7-question, multiple-choice test that has 5 possible answers per question. If the student can eliminate 1 of the possible answers on the first 5 questions, and if she guesses on every question, what is the probability that she will answer every question incorrectly? ​ A) Pr(all incorrect) = B) Pr(all incorrect) = C) Pr(all incorrect) = D) Pr(all incorrect) = E) Pr(all incorrect) =
B) Pr(all incorrect) = An unprepared student must take a 7-question, multiple-choice test that has 5 possible answers per question. If the student can eliminate 1 of the possible answers on the first 5 questions, and if she guesses on every question, what is the probability that she will answer every question incorrectly? ​ A) Pr(all incorrect) = B) Pr(all incorrect) = C) Pr(all incorrect) = D) Pr(all incorrect) = E) Pr(all incorrect) =
C) Pr(all incorrect) = An unprepared student must take a 7-question, multiple-choice test that has 5 possible answers per question. If the student can eliminate 1 of the possible answers on the first 5 questions, and if she guesses on every question, what is the probability that she will answer every question incorrectly? ​ A) Pr(all incorrect) = B) Pr(all incorrect) = C) Pr(all incorrect) = D) Pr(all incorrect) = E) Pr(all incorrect) =
D) Pr(all incorrect) = An unprepared student must take a 7-question, multiple-choice test that has 5 possible answers per question. If the student can eliminate 1 of the possible answers on the first 5 questions, and if she guesses on every question, what is the probability that she will answer every question incorrectly? ​ A) Pr(all incorrect) = B) Pr(all incorrect) = C) Pr(all incorrect) = D) Pr(all incorrect) = E) Pr(all incorrect) =
E) Pr(all incorrect) = An unprepared student must take a 7-question, multiple-choice test that has 5 possible answers per question. If the student can eliminate 1 of the possible answers on the first 5 questions, and if she guesses on every question, what is the probability that she will answer every question incorrectly? ​ A) Pr(all incorrect) = B) Pr(all incorrect) = C) Pr(all incorrect) = D) Pr(all incorrect) = E) Pr(all incorrect) =

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