veronicahale30 veronicahale30

03-04-2024
Mathematics

contestada

A box contains 18 red, 14 blue, and 19 green marbles. a) Two marbles are selected at random with replacement. Find the probability they are both red. b. Two marbles are selected at random without replacement. Find the probability that the first is blue and the second is green. c. Two marbles are selected at random without replacement. Find the probability that the first is blue and the second is yellow.

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solienini solienini

03-04-2024

Answer: the probability that both marbles selected are red is approximately 0.1247.

Step-by-step explanation:

= 18 / (18 + 14 + 19)

= 18 / 51

= (18 / 51) * (18 / 51)

= (18/51)^2

≈ 0.1247

and in percentage is 12%

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