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Given:

Number of red marbles = 5

Number of blue marbles = 4

Number of yellow marbles = 3

To find:

The probability of pulling a red marble, then pulling a blue marble, without replacement.

Solution:

Probability formula:

We have,

Number of red marbles = 5

Total number of marbles is:

Probability of getting a red marble is:

After selecting one red marble, the remaining number of marbles is 11 and the number of blue marbles is 3. So,

Now, the probability of pulling a red marble, then pulling a blue marble, without replacement is:

Therefore, the correct option is B.

50-60=10

step-by-step explanation:

step-by-step explanation:

4  

25

5258y

54.

t5

5r

54

5856

542

5458

86

.8558.65

565

565

55898

786

8/95

5896

8656265

556478