Mathematics

Mathematics, 12.04.2021 16:10, adore81i

There are 120 children at a school assembly. 15 are 3rd graders; 45 are 4th graders; and 60 are 5th graders. Each student has entered their name in a drawing for a prize. What is the probability that the winner will be a 3rd grade student?

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There are 120 children at a school assembly. 15 are 3rd graders; 45 are 4th graders; and 60 are 5th...

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