A coin is tossed until a head appears or until the coin has been tossed five times. If a head does not occur on the first two tosses, then the probability that the coin will be tossed 5 times is [CEE 1993]

A coin is tossed until a head appears or until the coin has been tosse

1.	A coin is tossed until a head appears or until the coin has been tossed five times. If a head does not occur on the first two tosses, then the probability that the coin will be tossed 5 times is [CEE 1993]
A.	\[\frac{1}{2}\]
B.	\[\frac{3}{5}\]
C.	\[\frac{1}{4}\]
D.	\[\frac{1}{3}\]
Answer» D. \[\frac{1}{3}\]

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A coin is tossed until a head appears or until the coin has been tossed five times. If a head does not occur on the first two tosses, then the probability that the coin will be tossed 5 times is [CEE 1993]

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