​Claim: A majority of adults would erase all of their personal information online if they could. A software firm survey of 656 randomly selected adults showed that 58​% of them would erase all of their personal information online if they could. Complete parts​ (a) and​ (b) below.

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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.