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Soloha48 [4]
1 year ago
15

a bag contains 3 red marbles 4 green marbles and 2 black marbles. what is the probability of a red marble being pulled from the

bag and without replacing it , the pulling a green marble out ?
Mathematics
1 answer:
zheka24 [161]1 year ago
3 0

Answer:

<u>1/6</u>

Step-by-step explanation:

<u>P (red)</u>

  • No. of red / Total
  • 3 / 3 + 4 + 2
  • 3/9
  • 1/3

<u>P (green without replacing red)</u>

  • No. of green / Total - 1
  • 4 / 9 - 1
  • 4/8
  • 1/2

<u>P (final)</u>

  • P (red) × P (green without replacing red)
  • 1/3 × 1/2
  • <u>1/6</u>
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