A letter is known to have come either from LONDON or CLIFTON; on the postmark only the two consecutive letters ON are legible. The probability that it came from LONDON is

A letter is known to have come either from LONDON or CLIFTON; on the p

1.	A letter is known to have come either from LONDON or CLIFTON; on the postmark only the two consecutive letters ON are legible. The probability that it came from LONDON is
A.	\[\frac{5}{17}\]
B.	\[\frac{12}{17}\]
C.	\[\frac{17}{30}\]
D.	\[\frac{3}{5}\]
Answer» C. \[\frac{17}{30}\]

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A letter is known to have come either from LONDON or CLIFTON; on the postmark only the two consecutive letters ON are legible. The probability that it came from LONDON is

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