Determining standard deviation for number of actual voters

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Reference no: EM1319639

Q1) In past presidential election, actual voter turnout was 61%. In survey, 1002 subjects were asked if they voted in presidential election.

a) Determine the mean and standard deviation for number of actual voters in groups of 1002.

b) In survey of 1002 people, 701 said that they voted in last presidential election (based on data from ICR Research Group). Is this result consistent with actual voter turnout, or is this result not likely to happen with actual voter turnout of 61%? Why or why not?

c) Based on these results, does it seem that correct voting results can be obtained by asking voters how they acted?

Q2) On average, 70 percent of passengers on a flight from San Francisco to Boston favour chicken to fish. Suppose that passengers have only one of two choices, chicken or fish for their meal. If there are 200 passengers on flight and the airline carries 140 chickens and 60 fish dinners, determinethe probability that more than 5 passengers will be disappointed?

Reference no: EM1319639

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