Seudónimo Seudónimo

13-03-2020
Mathematics

contestada

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
one 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?

Respuesta :

MrCatBoss MrCatBoss

13-03-2020

Answer:

a. About 17% or [tex]\frac{1}{6}[/tex]

Because there is only 1 possible correct answer out of 6 choices.

b. 20% or [tex]\frac{1}{5}[/tex]

Because now the student eliminated 1, and there is 5 choices left. But only 1 is correct.

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