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3 October, 03:33

A middle school has 490 students. mae surveys a random sample of 60students and finds that 24 of them have pet dogs. how many students are likely to have pet dogs?

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  1. 3 October, 05:07
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    Take 490 as 490/3=130

    then 100/60=0.60

    then 130/60 = 2.1666666x3 (490/3)

    =6.5x24=156
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