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A bag of 13 marbles contains 7 marbles with red on them, 6 with blue on them, 5 with green on them, and 5 with red and green on them. whictis clic randomly chosen marble has elther green or red on it?

Sagot :

Peerjahan99idn

Step-by-step explanation:

To find the probability of selecting a marble with either green or red on it, we can use the principle of inclusion-exclusion.

1. First, we find the total number of marbles with green or red on them:

Total marbles with green = 5

Total marbles with red = 7

Total marbles with both red and green = 5

Total marbles with either green or red = Total marbles with green + Total marbles with red - Total marbles with both red and green

= 5 + 7 - 5

= 7 marbles

2. Then, we find the probability of selecting a marble with either green or red on it:

Probability = (Number of marbles with either green or red) / (Total number of marbles)

= 7 / 13

So, the probability of randomly choosing a marble with either green or red on it is 7/13.

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