In the past 92% of a company’s customers have said they would buy from them again. The customer relations department thinks that the current proportion is greater. In order to test this claim, they interview 50 customers, of whom 48 say they would shop with this company again.   Find the p-value (the observed significance) of the test.

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A:

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.