A political candidate has asked you to conduct a poll to determine what percentage of people support her. From a random sample of 500, 324 said they would support the candidate. A 95% confidence interval is constructed.  a) In words, define the random variable X   X is the proportion of people from the sample who support the candidate X is the number of people from the population who support the candidate X is the number of people from the sample who support the candidate b) In words, define the random variable P̂ P̂ is the number of people from the sample who support the candidate P̂ is the proportion of people from the population who support the candidate P̂ is the proportion of people from the sample who support the candidate

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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.