Among 250 smokers who underwent a “sustained care” program, 75 were no longer smoking after 6 months. Among 200 smokers who underwent a “standard care” program 65 were no longer smoking after six...

Among 250 smokers who underwent a “sustained care” program, 75 were no longer smoking after 6 months. Among 200 smokers who underwent a “standard care” program 65 were no longer smoking after six months. Use a 0.01 significance level to test the claim the rate of success for smoking cessation is greater with the sustained care program.

a) Define your parameters and Null and alternative Hypothesis

b) Test Statistics

c) Critical Value Approach

d) Conclusion