anonymous
  • anonymous
anyone help! :) Shyla used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. The results are shown in the tables below: Color of Marble Number of Times Rolled Blue 16 Green 20 Yellow 14 Heads Tails 18 32 Using Shyla's simulation, what is the probability of pulling a blue marble and the coin landing tails up?
Mathematics
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
512 over 2500 624 over 2500 32 over 50 48 over 50
sweetburger
  • sweetburger
chance of pulling a blue marble is 16/50 and chance of a coin landing tails up is 32/50. I think to finish the problem it would be 16/50*32/50
welshfella
  • welshfella
Because the 2 events are independent you multiply the probabilities

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sweetburger
  • sweetburger
what @welshfella said
anonymous
  • anonymous
ok then please check my answer though..hold on :b
anonymous
  • anonymous
ok so i did that and i got 0.2048 but then i converted my answer to fraction and i got 128/625
anonymous
  • anonymous
@sweetburger @welshfella
sweetburger
  • sweetburger
you are correct except for this question you dont have to reduce your answer to as far as you did you can leave it as 512/2500
anonymous
  • anonymous
ok then thank you!! :)
sweetburger
  • sweetburger
which i believe in probability you are not supposed to reduce but i could be wrong and np :)
welshfella
  • welshfella
yes you can reduce then to simplest form
welshfella
  • welshfella
- but its not essential

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