Question

A bag contains 3 blue marbles, 5 orange marbles, and 2 yellow marbles. Select the expression that shows the probability of randomly drawing 2 yellow marbles in a row without replacement.

2 over 10 times 2 over 10
2 over 10 times 1 over 9
2 over 10 plus 2 over 10
2 over 10 plus 1 over 9

Answer 1

The expression that shows the probability of randomly drawing 2 yellow marbles in a row without replacement is option b. 2 over 10 times 1 over 9. This is because the probability of selecting a yellow marble on the first draw is 2/10, and since we do not replace the marble, the probability of selecting a yellow marble on the second draw is 1/9. To find the probability of two independent events occurring, we multiply their individual probabilities.

Answer 2

Thank you tgoa!