Problem 2: The New York Times say that American's eyesight tends to decrease with age and the population average age for

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Problem 2 The New York Times Say That American S Eyesight Tends To Decrease With Age And The Population Average Age For 1 (44.58 KiB) Viewed 41 times

Problem 2: The New York Times say that American's eyesight tends to decrease with age and the population average age for needing glasses is 40 years old. Suppose that an optometrist reads this article and says that the article was done in an unreliable way, and he does not believe the average age that patients get glasses is around 40. He decides to take a simple random sample of 50 patients. The sample mean age is 36 years old with a sample standard deviation of 18 years. Test the optometrist claim that average age someone needs glasses at is not 40 years old. Use a 0.10. A. Form null and alternative hypotheses for this test: B. Run the Test to find the test statistic and p-value. Show work. | C. Using the p-value method, make a decision about the null hypothesis? Explain. D. Write a conclusion for this test in context to the problem. E. Find the 90% Confidence Interval to estimate the population average age someone needs glasses at. Does the interval confirm the results of your test?