A box contains 3 coins, one coin is fair, one coin is two headed and one coin is weighted, so that the probability of heads appearing is \(\dfrac{1}{3}\). A coin is selected at random and tossed, then the probability that head appears, is

A box contains 3 coins, one coin is fair, one coin is two headed and o

1.	A box contains 3 coins, one coin is fair, one coin is two headed and one coin is weighted, so that the probability of heads appearing is \(\dfrac{1}{3}\). A coin is selected at random and tossed, then the probability that head appears, is
A.	\(\dfrac{11}{18}\)
B.	\(\dfrac{7}{18}\)
C.	\(\dfrac{1}{8}\)
D.	\(\dfrac{1}{4}\)
Answer» B. \(\dfrac{7}{18}\)

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A box contains 3 coins, one coin is fair, one coin is two headed and one coin is weighted, so that the probability of heads appearing is \(\dfrac{1}{3}\). A coin is selected at random and tossed, then the probability that head appears, is

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