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anonymous

  • one year ago

60 students like building snowmen 10 students like building snowmen but do not like skiing 80 students like skiing 50 students do not like building snowmen Make a two-way table to represent the data and use the table to answer the following questions. Part A: What percentage of the total students surveyed like both building snowmen and skiing? Show your work. Part B: What is the probability that a student who does not like building snowmen also does not like skiing? (5 points)

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  1. anonymous
    • one year ago
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    please help

  2. anonymous
    • one year ago
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    do you know how to fill in the table?|dw:1439332053030:dw|

  3. anonymous
    • one year ago
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    ya

  4. anonymous
    • one year ago
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    no really

  5. anonymous
    • one year ago
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    can you help how to do ir

  6. anonymous
    • one year ago
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    60 students like building snowmen, so that's a total|dw:1439332293207:dw|

  7. anonymous
    • one year ago
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    10 like snowmen but don't like skiing|dw:1439332343548:dw|

  8. anonymous
    • one year ago
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    80 is a total for skiing|dw:1439332375143:dw|

  9. anonymous
    • one year ago
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    and 50 is a total for don't like skiing|dw:1439332418000:dw|

  10. anonymous
    • one year ago
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    ohhhhhhhh ok

  11. anonymous
    • one year ago
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    that's all the given info. Now we just use addition and subtraction to fill the other boxes. Add up the far right totals to get the total number of students and put the result in the bottom right box

  12. anonymous
    • one year ago
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    so 40 would go under 10

  13. anonymous
    • one year ago
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    yes

  14. anonymous
    • one year ago
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    and 50 would go next to 10

  15. anonymous
    • one year ago
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    right

  16. anonymous
    • one year ago
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    and 40 would go next to 40

  17. anonymous
    • one year ago
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    yes

  18. anonymous
    • one year ago
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    |dw:1439332808533:dw|

  19. anonymous
    • one year ago
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    so how to we find this What percentage of the total students surveyed like both building snowmen and skiing? Show your work.

  20. anonymous
    • one year ago
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    to do that you need to know the total students surveyed, so fill in the rest of the table to get|dw:1439332906496:dw|

  21. anonymous
    • one year ago
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    yes

  22. anonymous
    • one year ago
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    crap I set the table up wrong here's the right one |dw:1439333033821:dw|

  23. anonymous
    • one year ago
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    like and do not like are supposed to go together

  24. anonymous
    • one year ago
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    the process is the same though

  25. anonymous
    • one year ago
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    to answer your question out of 110 total students 50 like both so the probability is 50/110

  26. anonymous
    • one year ago
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    ya so how would you answer this question What percentage of the total students surveyed like both building snowmen and skiing? Show your work.

  27. anonymous
    • one year ago
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    ^

  28. anonymous
    • one year ago
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    50/110

  29. anonymous
    • one year ago
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    would it be 62.5%

  30. anonymous
    • one year ago
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    50/110=45%

  31. anonymous
    • one year ago
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    ya it is 45.454545454 but that is the second question write

  32. anonymous
    • one year ago
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    is part A 62.5

  33. anonymous
    • one year ago
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    do not like both is 20/110 = .18

  34. anonymous
    • one year ago
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    no A is 45%

  35. anonymous
    • one year ago
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    than what is B

  36. anonymous
    • one year ago
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    20/110=.1818

  37. anonymous
    • one year ago
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    ohhhhh ok why

  38. anonymous
    • one year ago
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    because 20 students do not like skiing and do not like building snowmen out of 110 students total|dw:1439333800627:dw|

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