Question: Problem 6: In a survey of 262 smokers, 189 smokers considered themselves addicted to cigarettes.

(a) Find a point estimate for p and q.

(b) Construct a 95% C.I. for the population proportion.

(c) If you are wanting to estimate, with 98% confidence, the proportion of smokers who are addicted to cigarettes and your estimate must be accurate within 4% of the population proportion. Find the sample size needed using the study above.