A box is filled with 7 brown cards, 8 blue cards, and 3 red cards. A card is chosen at random from the box. What is the probability that it is a brown or a red card?

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Question:

A box is filled with 7 brown cards, 8 blue cards, and 3 red cards. A card is chosen at random from the box. What is the probability that it is a brown or a red card?

Answers

[tex] |\Omega|=7+8+3=18\\|A|=7+3=10\\\\P(A)=\dfrac{10}{18}=\dfrac{5}{9}\approx56\% [/tex]

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