# SOLUTION: Hello! Can someone help me with the problem below. not sure if my answers are correct: Assume that you have surveyed 1068 randomly selected adult Americans and 279 have indicate

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 Algebra: Probability and statistics Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Probability-and-statistics Question 484510: Hello! Can someone help me with the problem below. not sure if my answers are correct: Assume that you have surveyed 1068 randomly selected adult Americans and 279 have indicated that they would vote for Andrew Mason if he were to run for Congress. Construct a 95% confidence interval for the percentage of voters who would vote for Mason. State the margin of error. After computing, my margin of error is = .0263 and my CI is = .2349 < P < .2875 is this correct? Thank you!Answer by stanbon(57387)   (Show Source): You can put this solution on YOUR website!Assume that you have surveyed 1068 randomly selected adult Americans and 279 have indicated that they would vote for Andrew Mason if he were to run for Congress. Construct a 95% confidence interval for the percentage of voters who would vote for Mason. State the margin of error. ----- phat = 279/1068 = 0.2612 ME = 1.96*sqrt[0.26*0.74/1068] = 0.0263 95% CI : 0.2612-0.0263 < p < 0.2612+0.0263 After computing, my margin of error is = .0263 and my CI is = .2349 < P < .2875 is this correct?. ----------------------- You are correct. ------------------- Cheers, Stan H.