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A bowl of flower seeds contains 5 petunia seeds and 15 begonia seeds. Riley calculated the probability that a randomly selected seed is a petunia seed as 1/3. Describe and correct Riley's error.
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A bowl of flower seeds contains 5 petunia seeds and 15 begonia seeds. Riley calculated the probability that a randomly selected seed is a petunia seed as 1/3. Describe and correct Riley's error.

User Britztopher
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Since there are 20 seeds total (5+15-=20)/ 5/20 = 1/4 is the actual chance of getting a petunia seed
User Symaxion
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