triggerhappy5209
Answered

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Michael uses a uniform probability model for an experiment using a deck of 45 cards. There are 15 blue card, 15 red cards, and 15 green 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 blue card or a red card.

What is P(blue or red)?

Enter your answer as a simplified fraction in the box.

Sagot :

ksond510

Answer:

P = 2/3

Step-by-step explanation:

45 cards in all

15 blue

15 red

15 green

To figure out the probability of red and blue together, add red and blue.

15 + 15 = 30

Since the total is 45, this is how many 30 will be out of.

30 out of 45 = 30/45

Simplify 30/45 by dividing each side by 15

30 ÷ 15 = 2

45 ÷ 15 = 3

30/45 = 2/3

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