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17 April, 20:25

A survey of a random sample of voters shows that 29% plan to vote for Martin and 71% plan to vote for

Lang. The survey has a margin of error of ±7%. What is the range for the percentage of voters who plan to

vote for Lang?

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  1. 17 April, 20:39
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    Range=±7%

    Martin=71%, Lang=29%

    Range for Martin=71%±7%

    So, highest %=71%+7%=78%

    Lowest %=71%-7%=64%

    Therefore, range for Martin is between 64%-78% which is 14%
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