Find probabilities of compound events
Write the favorable count over the total, in lowest terms.
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A bag holds 2 red, 6 blue and 5 green marbles. What is the probability that a marble drawn at random is not red? Write a fraction in lowest terms.
Answer: 11/13
A bag holds 1 red, 6 blue and 2 green marbles. What is the probability that a marble drawn at random is not red? Write a fraction in lowest terms.
Answer: 8/9
A bag holds 4 red, 4 blue and 2 green marbles. What is the probability that a marble drawn at random is not red? Write a fraction in lowest terms.
Answer: 3/5
Tip: Write the favorable count over the total, in lowest terms.
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