Question

HELP ASAP PLEASE

A true-false test has 8 questions. What is the probability of guessing the correct answers to all of the questions?
A. 1/10
B. 1/16
C. 1/64
D. 1/256

Answer 1

Answer is D! Well at least it should be

Answer 2

D

Explanation:

The probability of guessing the correct answer to a true-false question is 1/2.

The probability of guessing the correct answer to all 8 questions is:

(1/2) x (1/2) x (1/2) x (1/2) x (1/2) x (1/2) x (1/2) x (1/2)

= 1/256

Therefore, the probability of guessing the correct answers to all 8 questions is 1/256.

The answer is D.

I hope this helps!