Of ni randomly selcted male smokers, X1 smoked filter cigarettes, whereas of the n2 randomly selected female smokers, X2
Posted: Mon May 09, 2022 12:52 pm
Of ni randomly selcted male smokers, X1 smoked filter cigarettes, whereas of the n2 randomly selected female smokers, X2 smoked filter cigarettes. Let p1 and p2 denote the probabilities that a randomly selected male and female, respectively, smoke filter cigarettes. ni n2 Is (*;) – (*) an unbaised estimator for P1 – P2? [Hint: E[Xi] = nipi for i = 1, 2.] X ,