Abag contains 3 red marbles,3 green marbles, 3 yellow marbles and 1 white marble. you randomly draw a marble from the bag. without replacing it, you draw a second marvel. what is the probability that you draw two red marbles?

The probability of getting 2 red marbles is

Step-by-step explanation:

A bag contains 3 red marbles, 3 green marbles, 3 yellow marbles and 1 white marble. You randomly draw a marble from the bag. Without replacing it, you draw a second marvel.

Need to find out the probability that you draw two red marbles.

Total number of marbles = 3 R + 3 G + 3 Y + 1 W = 10  

Step 1: Let one ball is drawn then the probability that the drawn ball is red is  

Now the second ball is drawn without replacing the first drawn ball

Step 2: the probability of drawing red ball will be

Now the probability that both the drawn balls are red is

Hence, the probability of getting 2 red marbles is

the answer is simply just 6n add the two together as they have an n