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YoungStudier

  • one year ago

The table shows the results of rolling a number cube, with sides labeled 1 through 6, several times. What is the experimental probability of rolling a 3 or a 6? Express your answer in simplest form. Outcome 1 2 3 4 5 6 Number of times outcome occurred 10 6 4 8 6 6 The answer has to be a fraction.

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  1. YoungStudier
    • one year ago
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    @MonKiwi

  2. YoungStudier
    • one year ago
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    I had trouble with this during the lesson, could you help me?

  3. YoungStudier
    • one year ago
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    @MathHater82

  4. campbell_st
    • one year ago
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    so what is the total number of rolls...? how many 3's were rolled ? how many 6's were rolled..?

  5. YoungStudier
    • one year ago
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    4 and 6?

  6. YoungStudier
    • one year ago
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    @MonKiwi

  7. campbell_st
    • one year ago
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    so there were 4 3s and 6 6s... great what was the total number of rolls..?

  8. YoungStudier
    • one year ago
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    10 I'm not sure over what number though.

  9. campbell_st
    • one year ago
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    add the number of times each outcome occurred...

  10. YoungStudier
    • one year ago
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    Oi vey, I mean the number of times 3 and 6 occured is 10..

  11. campbell_st
    • one year ago
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    or... how many rolls made up the experiment

  12. YoungStudier
    • one year ago
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    Well, I added up the numbers each occured, and got 40, so I'll assume that's how many rolls.

  13. YoungStudier
    • one year ago
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    So would the fraction be 1/4 ?

  14. campbell_st
    • one year ago
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    great so P(3 or 6) = 10/40 now simplify the fraction

  15. campbell_st
    • one year ago
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    and you are correct

  16. YoungStudier
    • one year ago
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    Thank you so much!

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