A dental assistant is interested in the proportion of patients that need a root canal. Let the proportion of patients that need a root canal be p. If the dental assistant wanted to know if the proportion of patients that need a root canal is more than 20%, what are the null and alternative hypotheses?   Select the correct answer below:   H0: p=0.20; Ha: p<0.20   H0: p>0.20; Ha: p=0.20   H0: p=0.20; Ha: p>0.20   H0: μ=0.20; Ha: μ>0.20

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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.