A history quiz consists of five true-false questions. If you guess on each question, then the probability of answering all five questions correctly is approximately

Question

Albert Branch

15 August, 05:23

+3

Answers (2)

Know the Answer?

Sam Patel · Answer 1

3.5% Because You'd Have A 50/50 Shot Every time You Answer A True Or False Question.

Dropout · Answer 2

The probability of answering all 5 questions correctly will be

(1:2) X (1:2) X (1:2) X (1:2) X (1:2) = 0.03125

So probability is 3.125%