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brandon4321

  • one year ago

Suppose you choose a marble from a bag containing 3 red marbles, 3 white marbles, and 5 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue).

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  1. brookie5150
    • one year ago
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    well, what do you get when you add all the marbles?

  2. brandon4321
    • one year ago
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    11

  3. brookie5150
    • one year ago
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    okay and how many of those 11 are red or blue?

  4. brandon4321
    • one year ago
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    8

  5. brookie5150
    • one year ago
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    so the probability of choosing a red or a blue marble would be 8/11. c:

  6. brandon4321
    • one year ago
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    :) thanks i have more.

  7. brookie5150
    • one year ago
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    okay. i'm happy to help.

  8. brandon4321
    • one year ago
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    You toss a coin and roll a number cube. Find P(tail and a six).

  9. brookie5150
    • one year ago
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    well how many sides does a coin have?

  10. brandon4321
    • one year ago
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    2

  11. brookie5150
    • one year ago
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    so the probability of getting tails is 1/2.

  12. brookie5150
    • one year ago
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    now for the next one. how many sides does the number cube have?

  13. brandon4321
    • one year ago
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    ... i honestly dont know

  14. brookie5150
    • one year ago
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    lol, 6.

  15. brandon4321
    • one year ago
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    lol okay then what?

  16. brookie5150
    • one year ago
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    so the probability of rolling a six is 1/6

  17. brandon4321
    • one year ago
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    okay lol thanks here comes the next one

  18. brandon4321
    • one year ago
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    Anthony is making a collage for his art class by picking shapes randomly. He has five squares, two triangles, two ovals, and four circles. Find P(circle is chosen first

  19. brookie5150
    • one year ago
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    how many shapes do you have all together?

  20. brandon4321
    • one year ago
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    13

  21. brookie5150
    • one year ago
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    how many of those 13 are circles?

  22. brandon4321
    • one year ago
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    4

  23. brookie5150
    • one year ago
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    sooo, the probability of choosing a circle is 4/13.

  24. brandon4321
    • one year ago
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    you are very smart you have a instagram?

  25. brookie5150
    • one year ago
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    thank you.

  26. brandon4321
    • one year ago
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    you have a instagram?

  27. brandon4321
    • one year ago
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    simplify (7 – c)(–1)

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