There is a bag filled with 3 blue and 5 red marbles. A marble is taken at random from the bag, the colour is noted and then it is not

Question

There is a bag filled with 3 blue and 5 red marbles.
A marble is taken at random from the bag, the colour is noted and then it is not replaced.
Another marble is taken at random.
What is the probability of getting 2 blues?

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RobertKer 4 years 2021-08-31T10:49:48+00:00 1 Answers 24 views 0

Answers ( )

  1. lethu
    0
    2021-08-31T10:51:47+00:00
    Reply

    3/8 x 3/8= 9/64
    You actually meant to do a tree diagram for this question 🙂

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )