Math, asked by varun4506, 9 months ago

The Kingston Review (KR) is testing a new GMAT question. The KR wants to determine what proportion of test-takers will answer the question correctly, in order to assess its difficulty. In a random sample of 144 test-takers, 75% answered the question correctly.

What is the 95% confidence interval for the proportion of test-takers answering the question correctly?

Source
[65.7%, 84.3%]
[67.9%, 82.1%]
[69.1%, 80.9%]
The answer cannot be determined from the information provided.

Answers

Answered by dushyantsingh64
0

Answer:

The kingston review (kr) is testing a new gmat question. the kr wants to determine what proportion of test-takers will answer the question correctly, in order to assess its difficulty. in a random sample of 144 test-takers, 75% answered the question correctly. what is the 95% confidence interval for the proportion of test-takers answering the question correctly?

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