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Alexus [3.1K]
2 years ago
13

A bag contains five green marbles three blue marbles and two red marbles if two consecutive marbles are drawn without replacemen

t what is the probability that the first world will be green and the second good will be read
Mathematics
2 answers:
netineya [11]2 years ago
4 0

Answer:

\frac{1}{9}

Step-by-step explanation:

There are 10 marbles in the bag. 5 are green. 3 are blue. 2 are red.

The probability that the first marble would be green is \frac{5}{10}, or \frac{1}{2}.

Now, there are 9 marbles in the bag. 4 are green. 3 are blue. 2 are red.

The probability that the second marble would be green is \frac{2}{9}.

The probability that the first marble is green and the second is red is:

\frac{1}{2} × \frac{2}{9} = \frac{1}{9}.

iren2701 [21]2 years ago
3 0

Answer:

1 / 9

Step-by-step explanation:

P(Green) = 5 / 10

P(Blue) = 3 / 10

P(Red) = 2 / 10

These are independent events as one cannot occur at the same time as the other so can multiply their probabilities together

First choice green: 5 / 10

The denominator will decrease because we arent replacing the marbles after we take one out of the bag

Second choice red: 2 / 9

So

5 / 10 x 2 / 9

10 / 90 = 1 / 9

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