a bag of the same size small balls contains 6 blue balls 5 red balls 5 yellow balls and 4 green balls What is the probability of
selecting a blue or green ball on the first draw........A. 1/10. B. 1/2. C. 2/5... D. 9/20
1 answer:
You would start by finding the total amount of marbles, which in this case is 20.
Then find the total amount of blue AND green balls. 10.
Then put 10/20, simplify, and you have yourself 1/2.
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