A bag contains tiles with the letters C-O-M-B-I-N-A-T-I-O-N-S. Lee chooses a tile without looking and doesn't replace it. He chooses a second tile without looking. What is the probability that he will choose the letter O both times?

A 1/132

B 1/72

C 1/66

D 1/23

Question

Mathematics

Martha Frost

10 October, 15:52

A bag contains tiles with the letters C-O-M-B-I-N-A-T-I-O-N-S. Lee chooses a tile without looking and doesn't replace it. He chooses a second tile without looking. What is the probability that he will choose the letter O both times?

A 1/132

B 1/72

C 1/66

D 1/23

+1

Answers (1)

Know the Answer?

Cristofer Pace · Answer 1

To find the probability you will multiply the probability of each possibility.

2/12 (1st attempt) x 1/11 (2nd attempt)

The answer is 1/66 chance (Choice C).

A bag contains tiles with the letters C-O-M-B-I-N-A-T-I-O-N-S. Lee chooses a tile without looking and doesn't replace it. He chooses a second tile without looking. What is the probability that he will choose the letter O both times?A 1/132B 1/72C 1/66D 1/23

A bag contains tiles with the letters C-O-M-B-I-N-A-T-I-O-N-S. Lee chooses a tile without looking and doesn't replace it. He chooses a second tile without looking. What is the probability that he will choose the letter O both times?

A 1/132

B 1/72

C 1/66

D 1/23