SOLUTION: allergist claims that 50% of the patients she tests are allergic to some type of weed. what is the probability that (a) exactly 3 of her next 4 patients are allergic to weed? (b) n

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Question 1195754: allergist claims that 50% of the patients she tests are allergic to some type of weed. what is the probability that (a) exactly 3 of her next 4 patients are allergic to weed? (b) none of her next 4 patients are allergic to weed.
Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.

It is the binomial distribution type problem. 

(A)  P =  =  =  = 0.1875 = 18.75%.    ANSWER



(B)  P =  =  = 0.0625 = 6.25%.    ANSWER

Solved.



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