Of 1000 randomly selected cases of lung cancer 823 resulted

Of 1000 randomly selected cases of lung cancer, 823 resulted in death. Let p be the proportion of deaths among all lung cancer cases.

a. Test the hypothesis H0: p=0.85 versus Ha: p?0.85 with ?=0.05. Use the rejection-region approach.

b. Construct a 95% two-sided CI for p.

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Of 1000 randomly selected cases of lung cancer 823 resulted : of 1000 randomly selected cases of lung cancer 823 resulted in death. let p be the proportion of deaths among all lung

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