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a game has 9 red cards 4blue cards and 7 gold cards a card is picked at random what is the probability that the card picked is a blue card

Sagot :

Probability = required outcome / all possible outcome

From the question,

Total outcome = 9 + 4 + 7 =20

required outcome = 4

substitute into the formula

[tex]\text{probability}=\frac{4}{20}=\frac{1}{5}[/tex]

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