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ne: 04:51 PM / Remaining: 54 min CALCULATORBACK NEXT Chapter 4, Section 4.1, Question P5 Receding gums are most common in people over age 40, but they can occur in younger difference between the rates of males and females with were given a budget sufficient for a random sample of 1200 adults. adults who have periodontal (gum) disease. There does not appear to be a great the percentage of all adults in your city with receding gums and receding gums. You have been hired to estimate a. Suppose that, in your city, 43% of adults see their dentist twice a year, 32% once a to a dentist, how many adults from each stratum should you include in your sample? year, and a 25% less frequently than once a year. If you straty on number of vists Stratum of those who visit dentist twice a year: Stratum of those who visit dentist once a year: Stratum of those who visit dentist less frequently than once a year: b. In addition to the number of visits to a dentist, which of these variables would be the best to consider stratifying on? 1) gender (male/female) 2) age (40 and younger/over 40) gender age By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor Question Attempts: 0 of 1 used SUBMIT ANSWER Earn Maximum Points available only if you answer em

Answer 1

Here we have η 1200 a year 0.43 X1200 S16 stratum o ose who vist dentist once a Year こ0.32.12.00-1384- 且 saítum otthon who visit.de n Hs r less fveg wt nt 12 A8e (40 and yuger/over 4