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Zarrin [17]
3 years ago
8

a bag contains 4 blue and 6 green marbles. two marbles are selected at a random from the bag. if the first marble is not replace

d before the second marble is drawn
Mathematics
1 answer:
kati45 [8]3 years ago
7 0

Answer:

4 ÷ 10

Step-by-step explanation:

The computation of P is shown below:

If we add two marbles i.e.

= 4 + 6

= 10 marbles

Now if we draw the second marble

P(blue) = Blue marbles ÷ total marbles

= 4 ÷ 10

In the other case

P( blue second given a green first) = 4 ÷ 10

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