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anonymous

  • one year ago

Use the Counting Principle to find the probability of choosing the 8 winning lottery numbers when the numbers are chosen at random from 0 to 9

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  1. anonymous
    • one year ago
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    For each lottery number, how many digits are there to choose from?

  2. anonymous
    • one year ago
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    9? I don't know.

  3. anonymous
    • one year ago
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    From 0 to 9. How many numbers?

  4. anonymous
    • one year ago
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    9

  5. anonymous
    • one year ago
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    Try again. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. How many?

  6. anonymous
    • one year ago
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    10

  7. anonymous
    • one year ago
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    There you go. So for each of the 8 lottery numbers, there are 10 possible choices. The counting principle says that we multiply the number of possibilities for each number. So we need to multiply 10, 8 times. What do you get?

  8. anonymous
    • one year ago
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    100,000,000

  9. anonymous
    • one year ago
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    Exactly. Well done!

  10. anonymous
    • one year ago
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    Thank you

  11. anonymous
    • one year ago
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    You\re welcome

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