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In a past​ election, the voter turnout was 69% In a​ survey, 930 subjects were asked...

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Statistics

In a past​ election, the voter turnout was 69%

In a​ survey, 930 subjects were asked if they voted in theelection.

a. Find the mean and standard deviation for the numbers ofvoters in groups of 930

b. In the survey of 930 ​people 621said that they voted in theelection. Is this result consistent with the​ turnout, or is thisresult unlikely to occur with a turnout of 69​%?

Why or why​ not?

c. Based on these​ results, does it appear that accurate votingresults can be obtained by asking voters how they​ acted?

Answer & Explanation Solved by verified expert
4.2 Ratings (688 Votes)
a n number of persons asked if they voted in the election 930P Population proportion of persons they voted in the election 069X Number of persons are voted in the electionThe probability distribution of random variable X is binomialwith    See Answer
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