chetsamuels34pdremz chetsamuels34pdremz

26-08-2018
Mathematics

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A box is filled with 7 red cards, 4 brown cards, and 3 yellow cards. A card is chosen at random from the box. What is the probability that it is a red or a yellow card? Write your answer as a fraction in simplest form.

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konrad509 konrad509

26-08-2018

A - choosing a red or a yellow card

[tex] |\Omega|=14\\
|A|=10\\\\
P(A)=\dfrac{10}{14}=\dfrac{5}{7}\approx71\% [/tex]

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