Question: In a past presidential election the actual voter turnout was

In a past presidential election, the actual voter turnout was 61%. In a survey, 1002 subjects were asked if they voted in the presidential election.
a) Find the mean and standard deviation for the number of actual voters in groups of 1002.
b) In the survey of 1002 people, 701 said that they voted in the last presidential election (based on data from ICR Research Group). Is this result consistent with the actual voter turnout, or is this result unlikely to occur with an actual voter turnout of 61%? Why or why not?
c) Based on these results, does it appear that accurate voting results can be obtained by asking voters how they acted?

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