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Question: The Professional Golf Association (PGA) measured tlx putting accuracy of professional golfers playing on the PGA Tour and the best amateur golfers playing in the World Amateur Championship (Golf Magazine. January 2007). A sample of 1075 6-foot putts by professional golfers found 688 made putts. A sample of 12006-foot puns by amateur golfers found 696 made putts.

a. Estimate the proportion of made 6-foot putts by professional golfers. Estimate the proportion of made 6-foot putts by amateur golfers. Which group had a better putting accuracy?

b. What is the point estimate of the difference between the proportions of the two populations? What does this estimate tell you about the percentage of putts made by the two groups of golfers?

c. What is the 95% confidence interval for the difference between the two population proportion? Interpret this confidence interval in terms of the percentage of putts made by the two groups of golfers.

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Category:- Management Theories
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