CBSE Class 12-science Answered
Probability
Asked by alanpeter9611 | 15 Feb, 2019, 06:06: PM
Expert Answer
Let p(X) be the probability of selecting shop-X and p(Y) be the probabilty of selecting shop-Y
p(X) = p(Y) = 1/2
probability of getting adulterated ghee from selected shop-X, = p(A|X) = 40/70 = 4/7
probability of getting adulterated ghee from selected shop-Y = p(A|Y) = 60/110 = 6/11
Let p(Y|A) be the probabilty of getting adulterated ghee from shop-Y, if shop is selected randomly
By Baye's theorem,
Adulteration is prevented by rigorous checking.
Instead of selecting the shop randomly and checking the adulteration by selecting one tin,
more number of ghee tins should be selected from each shop and should be tested for adulteration.
In later case, probability of finding the adulterated ghee is more.
Answered by Thiyagarajan K | 16 Feb, 2019, 03:39: PM
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