Q6. You are the assistant director of political research for the NBC television network, and two...

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Q6. You are the assistant director of political research for theNBC television network, and two candidates Jeffrey Temple andRotenberg Marvel, are running for president of the United States.You need to furnish a prediction of the percentage of the votegoing to Marin, assuming the election was held today, fortomorrow’s evening newscast. You want to be 93% confident in yourprediction and desire a total precision of ±4 percentagepoints.

a) Assume that you have no reliable information concerning thepercentage of the population that prefers Marvel. What sample sizewill you use for the project? Hint: in this case, you should beconservative assuming the maximum degree of heterogeneity in thepopulation so as to have a sample that is larger than it isnecessary.

b) Assume that a similar poll, taken thirty days ago, revealedthat 43 percent of the respondents would vote for Marvel. Takingthis information into account, what sample size will you use forthe project?

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