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muscrat123

  • one year ago

i need somebody to help me with a lot of questions

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  1. anonymous
    • one year ago
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    What is the first question?

  2. muscrat123
    • one year ago
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    Jacob makes the following statement: "I have a 60% chance of being selected as the captain of the baseball team and a 20% chance of being elected student body president." What is the probability that Jacob will be selected as the captain of the baseball team and will be elected student body president? 80% 40% 12% 8%

  3. muscrat123
    • one year ago
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    sorry it took so long, had to do activity for pe class

  4. muscrat123
    • one year ago
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    @heretohelpalways

  5. anonymous
    • one year ago
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    \[\frac{ 6 }{ 10 }*\frac{ 2 }{ 10 }\]

  6. anonymous
    • one year ago
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    is 12/100

  7. anonymous
    • one year ago
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    convert the fraction into a percentage

  8. muscrat123
    • one year ago
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    12% and The table below shows the number of marbles of different colors in a bag: Marble Experiment Color of Marbles Number of Marbles Red 5 White 8 Black 2 Deja draws a marble from the bag randomly without looking. She then draws another marble from the bag without replacing the first one. Which expression shows the probability of drawing red marbles in both the trials? 5 over 15 multiplied by 4 over 14 5 over 15 multiplied by 4 over 15 5 over 15 added to 4 over 14 5 over 15 added to 4 over 15 @heretohelpalways

  9. anonymous
    • one year ago
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    12% is correct

  10. anonymous
    • one year ago
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    the probability of drawing a red marble the first time is\[\frac{ 5 }{ 15 }\]

  11. anonymous
    • one year ago
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    then second time would be \[\frac{ 4 }{ 14 }\]

  12. anonymous
    • one year ago
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    you need to multiply these fractions, but not add them

  13. anonymous
    • one year ago
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    so the answer would be...

  14. muscrat123
    • one year ago
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    so 5/15 times 4/14

  15. anonymous
    • one year ago
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    yup

  16. muscrat123
    • one year ago
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    There are 7 cards with a picture of a rose and 2 cards with a picture of a daisy. Alfa keeps all the cards face down on the table with the pictures hidden and mixes them up. She then turns over one card face up and finds the picture of a rose on it. She removes this card from the table and turns over another card without looking. What is the probability that the card that Alfa turns over has a rose on it? 6 over 9 6 over 8 7 over 9 7 over 8

  17. muscrat123
    • one year ago
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    i chose 6/8

  18. anonymous
    • one year ago
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    correct

  19. muscrat123
    • one year ago
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    The number of chips of different colors in Vicky's bag is shown below: 5 blue chips 11 pink chips 9 white chips Vicky takes out a chip from the bag randomly without looking. She replaces the chip and then takes out another chip from the bag. What is the probability that Vicky takes out a blue chip in both draws? 5 over 25 multiplied by 5 over 25 equals 25 over 625 5 over 25 plus 5 over 25 equals 10 over 25 5 over 25 multiplied by 4 over 24 equals 20 over 600 5 over 25 plus 4 over 24 equals 220 over 600 C?

  20. muscrat123
    • one year ago
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    @heretohelpalways

  21. anonymous
    • one year ago
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    we know that the probabilities are 5/25 and 5/25

  22. anonymous
    • one year ago
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    now you just need to multiply these fractions

  23. muscrat123
    • one year ago
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    i mean A @heretohelpalways

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