Statistic/Parameter In an AARP survey of 1019 randomly selected adults, the respondents were asked to identify the number of credit cards they have, and 26% of them said they had no credit cards. Is the value of 26% a statistic or a parameter?

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Q: population mean = 7 is an example of what hypothesis? Group of answer choices

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A: The formula for mean is shown below:

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A: We want to find the pvalue in part (b)

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.