A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly.
A. 1/3,125
B. 1/25
C. 1/625
D. 1/125
Is it B?
To find the probability of answering all 5 questions correctly, we need to calculate the probability of getting one question correct and then multiply it by itself five times, since each question is an independent event.
In this case, each question has 5 possible answers, so the probability of getting one question correct is 1/5.
Therefore, the probability of answering all 5 questions correctly is (1/5)^5 = 1/3125.
So, the correct answer is A. 1/3,125.