A bag has 1 orange marble, 4 blue marbles, 3 yellow marbles, and 1
black marble. You randomly pull a marble from the bag, put it back,
and then pull out another one.
What is the probability of getting a blue and then a blue? Write your
answer as a fraction.

you know how many marbles there are in the bag so you add the number which is 9 so this shkws it will be something out of 9 since that is the total so now there are 4 blue marbles so you will just have to 4/9 I think thats how I would go on doing it.

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A bag has 1 orange marble, 4 blue marbles, 3 yellow marbles, and 1 black marble. You randomly pull a marble from the bag, put it back, and then pull out another one. What is the probability of getting a blue and then a blue? Write your answer as a fraction.

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A bag has 1 orange marble, 4 blue marbles, 3 yellow marbles, and 1
black marble. You randomly pull a marble from the bag, put it back,
and then pull out another one.
What is the probability of getting a blue and then a blue? Write your
answer as a fraction.