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In a random sample of 30 arthroscopic surgeries, 12% were unsuccessful. Find a 95% confidence interval...

In a random sample of 30 arthroscopic surgeries, 12% were unsuccessful. Find a 95% confidence interval for the proportion of arthroscopic surgeries in the population that were unsuccessful.

Math   Statistics-And-Probability   
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Answer #1

Solution:

Here n = 30, = 0.12

Thus, the 95% confidence interval for the proportion of arthroscopic surgeries in the population that were unsuccessful is (0.0037,0.2363) (Rounded to 4 decimal places).

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