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    mashugama1's Avatar
    mashugama1 Posts: 1, Reputation: 1
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    #1

    May 11, 2009, 01:32 PM
    Statistics estimation verrification
    Did I get this right? 30% of us houses own one or more pc's. In a sample of 500 hi tech houses 178 own pc's. How many of the 500 households are expected to own pc's?

    The answer I got was 150! Can anyone verrify?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
    		  
    #2

    May 11, 2009, 01:51 PM
    Yes. 30 % of 500 is 150. Good. You get a cookie.:p
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