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Suppose as a pan of a national study of economic competitiveness a marketing research rm randomly sampled 220 adults between the ages of 27 and 35...
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Suppose as a pan of a national study of economic competitiveness a marketing research firm randomly sampled 220 adults between the ages of 27 and 35 livmg In City A and 150 adults between the ages of 27 and 35 living In City B. Each adult selected In thesample was asked, among otherthings, whether they had a college degree. From the City A sample 62 adults answered yes and from the (my B sample 59 adults answered yes when asked if they had a college degree. Based on the sample data, can weconclude that there is a difierence between the population proportions of adults between the ages of 27 and 35 In the two cities with college degrees? Use a level of significance of 0 05 to conduct the appropriate hypothesis test Let p1 he the population proportion from City A, and let p2 bethe population proportion from City B. Identify the null and attemative hypotheses. Choose the correct answer below A- HU 91-9230 3- Ho:p1_p2>o C "CI 91-0220HA p17p2>0 HA plepzso HA:p1rp2<D0- Ho-Drpzfll Er Hozurl12<0 ’F- Hu-vafDHA 91-92:!) HA p1_p220 HAipi-Pzio Determine the cntioal value(s) Select the coirect choice below and till in the answer box in your choice.(Round to two decimal places as needed ) O A. The crrliml value is 2‘1 : O B. The orrlicalvalue is 72“: O C. The crrlimlvalues are 12at2 : 1 Calculate the iesi statistic Z :(Round in roilr decimal places as needed ) Reach a decision Choose the correct answer below 0 A. Do notreject the null hypothesis There is insurncieni evidenoeio conclude that there isa ditierence oeiween the two population proponions0 e. Reiect the mill hypotneeis. There IS sufficient evldenoe lo conclude that there IS a dtfierenoe beiween the two pdpiiiaimn proportions O c. Do not reieci the null nypolnesc There is sufficient evidence to condude that mere is a difierence oeiween me two population pmponionsO D. Reject the null hypothesis There is instimcient evidence to conclude that theie is a difference between the two population propomons.