Question

Lisa selects a marble from a jar containing 6 red marbles and 2 green marbles and does not replace it. She then selects a second marble. What is the probability that both marbles will be red?

Answer 1

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Answer 2

15/28 = 53.57%

Explanation:

E 1 = select a red marble

E2 = select a red marble

E 1 ∩ E2

6/8 x 5/7

3/4 x 5/7 = 15/28 = 53,57%