In a study of smokers who tried to quit smoking with nicotine patch therapy, 39 were smoking one year after the treatment, and 32 were not smoking one year after the treatment. We want to use a .05 significance level to test the claim that among smokers who try to quit with nicotine patch therapy, the majority are smoking a year after the treatment
- The null hypothesis is
- The alternative hypothesis is
- The value of the standard score for sample proportion is
- The Critical Value is
- The P Value is
- What can you conclude?
- Describe a type 1 error using this test.
- Describe a type 2 error using this test.
- What is the P value if the claim is modified to state that the proportion is equal to .5?