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lianna [129]
3 years ago
10

There is a bag filled with 5 blue, 6 red and 2 green 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?
Mathematics
1 answer:
Yuki888 [10]3 years ago
6 0

Answer:

Step-by-step explanation:

Total marbles = 5  + 6 + 2 = 13

P( getting blue ball from first draw) = 5/13

The marble is not replaced. So, Now total marbles will be 12 & number blue marbles will be 4

P( getting blue ball from second draw) = 4/12 = 1/3

P(getting two blues) = \frac{5}{13}*\frac{1}{3}\\

                                  = 5/39

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