Mathematics > A Level Question Paper > MATH 110 EXAM 8 (Portage learning) GRADED A (All)

# MATH 110 EXAM 8 (Portage learning) GRADED A

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STED AND CONFIRMED A+ ANSWERS Portage Learning Math 110 Module 8 Exam Suppose we have independent random samples of size n1 = 420 and n2 = 510. The proportions of success in thetwo samples are p1=... .38 and p2 = .43. Find the 99% confidence interval for the difference in the two populationproportions. Answer the following questions: 1. Multiple choice: Which equation would you use to solve this problem? A. B. C. D. 2. List the values you would insert into that equation. 3. State the final answer to the problem From table 6.1, we see that 99% confidence corresponds to z=2.58. Notice that the sample sizes are each greater than 30, so we may use eqn. 8.2: If you need a professional to complete your college homework at a small fee, then reach out to amazingclasshelp.com Answer: B. So, the interval is (.-0.1333, -0.03326). [Show More]

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