Question

A jar contains 3 red marbles , 7 green marbles and 10 white marbles. If a marble is drawn at
random from the jar, what is the probability that it is either red or
green.​

Answer 1

Answer:

1/2

Step-by-step explanation:

no. of red marbles = 3

no. of green marbles = 7

no. of white marbles = 10

probability of either red of green marbles = (7 + 3) / (7 + 3 + 10)

                                                                      = 10 / 20

                                                                      = 1/2

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