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In a recent year, the Better bureau settled 75% of complaints they received. (source: USA Today,...

In a recent year, the Better bureau settled 75% of complaints they received. (source: USA Today, March 2, 2009). You have been hired by the Bureau to investigate complaints this year involving computer stores. You plan to select a random sample of complaints to estimate the proportion of complaints the Bureau is able to settle. Assume the population proportion of complains settled for the computer stores is the 0.75, as mentioned above. Suppose your sample size is 121. What is the population that the sample proportion will be at least 3 percent more than the population proportion?
Note: You should carefully round any z-values to calculate to at least 4 decimal places to match wamap's approach and calculations.

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