Question 9: A manufacturer of a certain brand of rice cereal claims that the average saturated fat content does not exceed 1.5 grams per serving. Which of the following states the correct null and alternative hypothesis, and where is the critical region located? (a) Ho: µ = 1.5 and H,: µ < 1.5, and the critical region is on the upper tail of the distribution (b) Ho: µ = 1.5 and Hq: µ > 1.5, and the critical region is on the upper tail of the distribution (c) Ho: µ = 1.5 and H1: µ < 1.5, and the critical region is on the lower tail of the distribution (d) Ho:µ = 1.5 and H,: µ > 1.5, and the critical region is on the lower tail of the distribution

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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.