Question

A student ran out of time on a multiple choice exam and randomly guessed the answers for two problems. Each problem had 4 answer choices- a, b, c, d- and only one correct answer. What is the probability that he answered both of the problems correctly? write answer as a fraction in simplest form

Answer 1

1/16

Explanation:

Multiply the two probabilities together to get the answer.

Each time, the student has a 1 in 4 chance of getting it right. This is 1/4 as a fraction.

1/4*1/4=1/16

Final answer: 1/16

Answer 2

Multiply the two probabilities together to get the answer.

Each time, the student has a 1 in 4 chance of getting it right. This is 1/4 as a fraction.

1/4*1/4=1/16

Final answer: 1/16