Shoppers were asked about their regular grocery shopping locations. The table below shows the responses of the sampled shoppers. We are interested in determining if the proportions of females in the three categories are different from each other. ​ Gender Grocery chain Discount store Membership warehouse Total Female 230 80 100 410 Male 80 50 60 190 Total 310 130 160 600 ​ ​ ​ ​ ​ ​ ​Ho: p1 = p2 = p3 Test for the alternate hypothesis and choose the correct conclusion.

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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.