Analysis of 1,064 deaths of famous popular musicians showed that 31 percent were related to alcohol or drug abuse. “But that is just a sample. It proves nothing,” said Hannah. Do you agree with Hannah’s conclusion? Explain.

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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.