402,468 views
15 votes
15 votes
If you take a true-false quiz with 20 questions and totally guess on every

problem, find the probability that you would pass the quiz, that is, getting 60%
right

User Sksamuel
by
2.6k points

1 Answer

22 votes
22 votes

Answer: 1/4.

Step-by-step explanation: Too pass you need to get a least 13 right.

User Cos
by
2.4k points