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anonymous

  • one year ago

Sam collected data to study whether the home team has an advantage at football. He found that the home team won 68 games that he studied and the visiting team won in 24 games. Based on sam's data, what is the probability, rounded to the nearest whole percent, that a home team will win a football game ?

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  1. anonymous
    • one year ago
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    @mathstudent55 can you help me ?

  2. terenzreignz
    • one year ago
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    Probability is all about division. Usually it's the number of "good" outcomes divided by the total number of outcomes. Here, you're asked for the probability that the home team wins. First off, how many "good" outcomes occurred in the sample space? (the games that were studied)

  3. anonymous
    • one year ago
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    68

  4. terenzreignz
    • one year ago
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    That's right. And how many total outcomes were studied?

  5. anonymous
    • one year ago
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    92 ?

  6. terenzreignz
    • one year ago
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    Okay ^^ So, you have 68 "good" outcomes and a total of 92. Probability is "good" outcomes divided by total outcomes Can you work it out from here?

  7. anonymous
    • one year ago
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    So it would be 68 divided by 92 ?

  8. terenzreignz
    • one year ago
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    Yup. Use your calculator, your browser, heck, use your mental powers, if that's what you're into :D ^^

  9. anonymous
    • one year ago
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    I used my calculator & I got 073913043

  10. anonymous
    • one year ago
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    I forgot to put my decimal point it was between the 0 and 7

  11. terenzreignz
    • one year ago
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    Okay. Almost there. What is that in percent? And not that I'm doubting your abilities of recollection, but just in case... To convert a decimal such as 0.252913 into percent, simply move the decimal point two places to the right, then affix a % sign. Like this... 0.252913 = 25.2913% ^_^

  12. anonymous
    • one year ago
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    Okay, I did it and I got 73%

  13. terenzreignz
    • one year ago
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    Nope. Almost, but not quite. You're asked to round it to the nearest whole percent ^^

  14. anonymous
    • one year ago
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    But the answer choices for this question are : A)68% B)74% C)76% D)92%

  15. terenzreignz
    • one year ago
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    73% isn't even one of the choices ^^ Next best thing?

  16. anonymous
    • one year ago
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    I think it's B - 74%

  17. terenzreignz
    • one year ago
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    Hehe... I'll cut the suspense. We both know it's 74%

  18. anonymous
    • one year ago
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    Lol yeah thanks a lot I really appreciated your help :)

  19. terenzreignz
    • one year ago
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    But not because it's the "next best thing" Think about it. Don't you think 73.9 is far closer to 74 than it is to 73? You were doing so well leading up to the answer, but were slightly off in the last step. That's okay, though. It's best you make your mistakes here than on the actual tests... Well done :D

  20. anonymous
    • one year ago
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    Do you mind helping me with another problem?

  21. terenzreignz
    • one year ago
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    I very much WOULD mind >:(

  22. terenzreignz
    • one year ago
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    AHAHAHAHA Kidding Hit me. ^_^

  23. anonymous
    • one year ago
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    Lol kk :) 😂

  24. anonymous
    • one year ago
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    A chemical mixture is being heated. At 10:00, the mixtures temperature was -4°C. If the temperature is increasing at a constant rate of 0.5° per minute, when will it reach 20°C ?

  25. anonymous
    • one year ago
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    @terenzreignz

  26. terenzreignz
    • one year ago
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    I'm sorry... my internet connection went down D:

  27. anonymous
    • one year ago
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    Its okay @terenzreignz

  28. terenzreignz
    • one year ago
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    You can just call me Kurt ^^ Anyway, this should be simple enough... It increases by half a degree for every minute, right? By how many degrees do you want it to increase, in total

  29. anonymous
    • one year ago
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    I'm not sure but the answer choices are A)10:48 B)10:32 C)10:12 D)10:08

  30. terenzreignz
    • one year ago
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    Forget those. How many degrees to 20 if you start at -4?

  31. anonymous
    • one year ago
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    24 or -16

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