What is the probability of drawing two yellow marbles if the first one is not placed back into the bag before the second draw? their is 10 marbles total, 2 yellow, 3 pink, and 5 blue

Step-by-step explanation:

We are given that

Total number of marbles=10

Number of yellow marble=2

Number of pink marble=3

Number of blue marble=5

We have to find the probability of drawing two yellow  marbles if the first one is not placed into the bag before the second draw.

Probability: P(E)=

The probability of drawing first yellow marble=

The probability of drawing first yellow marble=

When first yellow marble is not placed back into the bag before the second draw.

Then,number of remaining  yellow marble=1

Total number of marbles=9

The probability of drawing second yellow marble =

Now, the probability of drawing two yellow marbles =

Hence, the probability of drawing two yellow marbles=

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