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?

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) (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%

 

RELATED QUESTIONS

In a survey of 2480 golfer, 15% said they were left handed. The survey's margin of error... (answered by stanbon)
I need some serious help please!


Find the appropriate confidence interval for the... (answered by stanbon)
In a recent survey 45% of students at a school said they love Italian ice. If the margin... (answered by rothauserc)
In a recent survey 45% of students at a school said they love Italian ice. If the margin... (answered by Edwin McCravy)
A survey of 400 people found that 66 were left-handed. What percent of those surveyed... (answered by funmath)
A survey of 400 people found that 66 were left-handed. What percent
of those surveyed... (answered by funmath)
A survey of 400 people found that 66 were left-handed. What percent
of those surveyed... (answered by funmath)
A survey of 400 people found that 66 were left-handed. What percent of those surveyed... (answered by tutorcecilia)
Statistics. A survey of 400 people found that 66 were left-handed. What percent
of those  (answered by checkley75)