SOLUTION: In a survey of 2480 golfers, 15% said they were left-handed. The survey margin of error was 3%. Construct a confidences interval for the proportion do the left handed golfers?

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Question 866028: In a survey of 2480 golfers, 15% said they were left-handed. The survey margin of error was 3%. Construct a confidences interval for the proportion do the left handed golfers?
Please help I don't even know how to start to solve it!
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

15% said they were left-handed. ME =  3%.

 CI: p-ME < p <  p + ME

Ci: 12% < p < 18%