A study was done with smokers to determine success rates of quitting. of 567 smo

Question

A study was done with smokers to determine success rates of quitting. of 567 smokers that smoked for 10+ years and used gum to quit, 321 of them were still not smoking after 1 year. of 631 smokers that smoked for 10+ years and used the patch to quit, 457 of them were still not smoking after 1 year. Calculate a +4 95% confidence interval with your calculator to estimate the true difference proportion of smokers that successfully quit for a year using nicotine gum or patch. (which worked better and by what proportion?) I am 95 % confident that long term smokers that use gum to quit are Less (more/less) successful at quitting for more then a year between 10.408 and 21.221 of the time compared to smokers that used the patch to quit. Based on this sample, is there statistically significant evidence at the .05 level that the proportion of successful quitters is different for smokers that quit using the patch or gum? H_o: Pg = Pp H_a: Pg

Explanation / Answer

The solution is done correctly.

All entries are filled in accordance to the right calculations.

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