Maurice Tutor

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Category > Management Posted 15 Nov 2017 My Price 6.00

public opinion polling agency

10.5 A public opinion polling agency plans to conduct a national survey to determine the proportion p of people who would be willing to pay a higher per kilowatt hour fee for their electricity provided the electricity was generated using ecologically friendly methods such as solar, wind, or nuclear. How many people must be polled to estimate the population proportion to within .02 using a 95% confidence interval? Consider two separate situations:

a. Suppose the polling agency has no guess at the population proportion.

b. Suppose the polling agency is fairly certain that the population proportion is less than 20%.

c. Why are the sample sizes so different for the two situations?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 15 Nov 2017 05:11 PM My Price 6.00

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