Question

Ling is taking a quiz that consists of 3 multiple-choice questions, each having 3 answers. If she guesses on each question, what's the probability that Ling will get 100% on the quiz?
3/27
1/27
1/9
1/3

Answer 1

What's the probability of getting right on one question?

Answer 2

1/3

Answer 3

You multiply the probabilities of getting each question right to the power of number of questions.

Answer 4

so 1/9

Answer 5

\[\Large \color{purple}{\rightarrow {1 \over3} * {1 \over 3} * {1 \over 3} }\]

Answer 6

1/27

Answer 7

Yes