Question

In an election there are two candidates. Being a statistician, you are interested in predicting the result of the election. So, you plan to conduct a survey. Using the learning skill of this course answer the following question. How many people should be surveyed to be at least 90% sure that the estimate is within 0.03 of the true value?

08 Sep 2023
Answer :
Word Count : 344

To determine how many people should be surveyed to be at least 90% sure that the estimate is within 0.03 of the true value, you can use the formula for sample size calculation for estimating a population proportion. This formula is based on the margin of error (0.03 in this case), the desired level of confidence (90% or 0.90), and the estimated population proportion (which can be assumed to be 0.5 when there is no prior information).

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