Question

On a true or false quiz of 4 questions, Jose guesses at each answer. What is the probability that he gets all of the questions correct?

a. 1/24
b. 1/4
c. 1/8
d. 1/16

Answer 1

We know that this True or False question look like flip a coin.
P( guessing correct) first time:
1/2
P( guessing correct) second time:
1/2
P(guessing correct) third time:
1/2
P(guessing correct) fourth time:
1/2

Multiply all of them together to get
1/16. As a result, D is the correct answer. Hope it help!