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gabbyalicorn

  • one year ago

Hitomi has a bag with four chips in it numbered 1 to 4. She randomly draws a chip and replaces it three times. What is the probability that Hitomi will draw a 1 all three times?

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  1. misty1212
    • one year ago
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    HI! (again)

  2. gabbyalicorn
    • one year ago
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    Hello!

  3. misty1212
    • one year ago
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    what is the probability she draws a one on the first try?

  4. gabbyalicorn
    • one year ago
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    3/4 or 1/4 ?

  5. misty1212
    • one year ago
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    hmmm pick one (hint, there is only one "one")

  6. gabbyalicorn
    • one year ago
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    i think 1/4

  7. misty1212
    • one year ago
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    right!

  8. gabbyalicorn
    • one year ago
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    :D

  9. misty1212
    • one year ago
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    and since she replaces it, the probability she gets it on the second try is also \(\frac{1}{4}\)

  10. misty1212
    • one year ago
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    and also on the third try!

  11. gabbyalicorn
    • one year ago
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    so add 1/4 + 1/4 + 1/4?

  12. misty1212
    • one year ago
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    so all three, do \[\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\]

  13. misty1212
    • one year ago
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    no dear don't ADD

  14. gabbyalicorn
    • one year ago
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    oh, multiply. Sorry.

  15. misty1212
    • one year ago
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    you want to multiply them together

  16. gabbyalicorn
    • one year ago
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    1/64

  17. misty1212
    • one year ago
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    it is an AND statement one and one and one

  18. misty1212
    • one year ago
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    right

  19. gabbyalicorn
    • one year ago
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    :D

  20. misty1212
    • one year ago
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    \[\color\magenta\heartsuit\]

  21. gabbyalicorn
    • one year ago
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    Thank you!

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