Your investment executive claims that the average yearly rate of return on the stocks she recommends is at most OMR 11000. You plan on taking a sample to test her claim. The correct set of hypotheses is O A. Ho: H > 11000 H3:µ<11000 O B. Ho: µ> 11000 H3: H S 11000 O C. Ho: H < 11000 H3: µ 11000 O D. Ho: H < 11000 H:H> 11000

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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.