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anonymous

  • 5 years ago

For this experiment,you will draw one card and replace it.Then draw one shape and replace it. Find each probability and show how much your answer. 1.What is the probability that you will draw 42 ans a star? 2.What is P(7and arrow)? 3.What is the probability that you will draw an even number and a heart? 4.What is the probability that you will not draw an odd number and not draw an arrow?

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  1. mathteacher1729
    • 5 years ago
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    Was there a picture associated with this problem?

  2. anonymous
    • 5 years ago
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    ok hold on

  3. anonymous
    • 5 years ago
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    16 52 42 7 16 7 3 7 42 4 The pictures are heart is 6 and star is 4 and arrow is 3

  4. mathteacher1729
    • 5 years ago
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    I see two "sixteens" but no "Six". :(

  5. mathteacher1729
    • 5 years ago
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    Also, what are the others? Do they have shapes associated with them?

  6. anonymous
    • 5 years ago
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    no that is all the shapes and there two 16

  7. mathteacher1729
    • 5 years ago
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    So there are 13 cards in all?

  8. anonymous
    • 5 years ago
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    yea

  9. mathteacher1729
    • 5 years ago
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    16 52 42 7 16 7 3 7 42 4 heart is 6 star is 4 arrow is 3 So one of the threes does NOT have an arrow? Sorry to ask so many questions but this is really important in order to help you get an accurate answer.

  10. anonymous
    • 5 years ago
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    yea

  11. mathteacher1729
    • 5 years ago
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    gotcha! Ok, I think we can start now. 1.What is the probability that you will draw 42 and a star? The key word is here is "AND" a star. So there are 13 total cards. Whatever your answer is for this question, it's going to be (SOMETHING) over (13). There are TWO -- "42" And is ONE -- "star" So that means there are THREE cards that you want (42, 42, or the star). So the answer is 3/13. Does that make sense?

  12. anonymous
    • 5 years ago
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    it ides

  13. mathteacher1729
    • 5 years ago
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    Ok: 2.What is P(7and arrow)? This is just saying "What is the probability that you draw a seven and an arrow? It's EXACTLY like problem 1, but this time it's 7, not 42, and a heart, not an arrow. See if you can figure it out. :)

  14. anonymous
    • 5 years ago
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    i cant

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