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10 votes
Nico uses a uniform probability model for an experiment using a deck of 40 cards. there are 10 blue cards, 10 red cards, 10 green cards, and 10 yellow cards in the deck. cards will be drawn one at a time and then replaced in the deck before another card is drawn. he uses the probability model to determine the probability of drawing a green card or a red card. what is p(green or red)? enter your answer as a simplified fraction in the box.

User Yihui Sun
by
6.7k points

2 Answers

12 votes

Answer:

1/2

Explanation:

Le Test a MoNdoo

User HBG
by
6.7k points
13 votes

Answer:

1/2

Explanation:

Since there are 40 cards in total and 10 cards for each colour...the probability of drawing either a green card or red card will be 20/40 since there a are 20 green and red cards combined

Therefore the probability is 1/2

User Hihikomori
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7.6k points