A multiple-choice test has six possible answers for each question. (a) If a stud

Question

A multiple-choice test has

six

possible answers for each question.

(a) If a student guesses at the answer, what is the probability that he or she selects the correct answer for one particular question?

(b)

If the student first eliminates

oneone

of the

six

possible answers and guesses from the remaining possibilities, what is the probability that he or she selects the correct answer to that question?

(a) If a student guesses at the answer, the probability that he or she selects the correct answer for one particular question is

nothing.

(Type an integer or a simplified fraction.)

(b) If the student first eliminates

oneone

of the

sixsix

possible answers and guesses from the remaining possibilities, the probability that he or she selects the correct answer to that question is

nothing.

(Type an integer or a simplified fraction.)

Explanation / Answer

a)

number of possibilities = 6

number of correct answers = 1

probability = 1/6

b)

number of possibilities = 5

number of correct answers = 1

probability = 1/5

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