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    Jpacheco's Avatar
    Jpacheco Posts: 1, Reputation: 1
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    #1

    Sep 20, 2007, 06:09 PM
    Fractions About Survey
    Matt conducted a survey to determine his classmates' favorite baseball team. After polling 50 classmates Matt arranged a table. What fraction of the people that Matt surveyed named the Philadelphia Phillies or the Pittsburgh Pirates as their favorite team?

    Atlanta Braves 8
    Chicago Cubs 8
    Colorado Rockies 1
    L.A. Dodgers 2
    New York Mets 7
    Philadelphia Phillies 3
    Pittsburgh Pirates 7
    Boston Red Sox 6
    Texas Rangers 8
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
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    #2

    Sep 20, 2007, 06:10 PM
    What did you get?
    sexiinena183's Avatar
    sexiinena183 Posts: 1, Reputation: 1
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    #3

    Sep 20, 2007, 06:13 PM
    y=12=8
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
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    #4

    Sep 20, 2007, 06:15 PM
    Quote Originally Posted by sexiinena183
    y=12=8
    How can anything have two values?
    sGt HarDKorE's Avatar
    sGt HarDKorE Posts: 656, Reputation: 98
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    #5

    Sep 20, 2007, 06:21 PM
    This isn't a difficult problem. You have 50 students and __ named the Philadelphia Phillies. So that would make it __/50. Now fill in the blank and do the second one.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #6

    Sep 21, 2007, 07:35 AM
    The question is "What fraction of the people that Matt surveyed named the Philadelphia Phillies or the Pittsburgh Pirates as their favorite team?" This is equal to the fraction that picked the Phillies + the fraction that picked the Pirates.
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
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    #7

    Sep 21, 2007, 06:47 PM
    Or... or...

    Percentage stats are generally expressed in percentage of 100. The sample group is only fifty.

    Double the sample group to 100... double the team selections represented... and you have the favorites percentage, too. :eek:

    That may not be showing the math the instructor wanted but the results are the same... :cool:
    s_cianci's Avatar
    s_cianci Posts: 5,472, Reputation: 760
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    #8

    Sep 22, 2007, 04:35 PM
    It's quite simple: of the 50 people surveyed, how many of them named either the Phillies or the Braves as their favorite team?
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
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    #9

    Sep 22, 2007, 05:25 PM
    Quote Originally Posted by s_cianci
    It's quite simple: of the 50 people surveyed, how many of them named either the Phillies or the Braves as their favorite team?
    Philadelphia Phillies 3
    Pittsburgh Pirates 7

    How does that become percentages or fractions?
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
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    #10

    Sep 22, 2007, 05:27 PM
    s_cianci, are you using 50 as the common denominator?
    *edit* 3/50 and 7/50 - yes?
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