Question: 4) How many questionnaires you plan to send out (given your desired margin of error)? (2.5 points) Part II. (20 points) Sampling Problem It is

4) How many questionnaires you plan to send out (given your desired margin of error)? (2.5 points) Part II. (20 points) Sampling Problem It is estimated that the agreement of union contract among population is between 0.3 and 0.4. The sponsors of the union would like to survey union members and get a 95 percent confidence interval for the true proportion of people in favor of the contract. They want to restrict the error level to 3.6 percentage points (3.6%). Given the likelihood of the survey being delivered to a qualified union member is 0.8 (incidence rate), and the response rate is 0.8, how many surveys should they send out? Show your steps

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