ProbabilityHard
Question
A car is parked by an owner in a parking lot of 25 cars in a row, including his car not at either end. On his return he finds that exactly 15 placed are still occupied. The probability that both the neighboring places are empty is
Options
A.
B.
C.
D.none of these
Solution
Since ten places are vacant.
Probability of finding vacant places =
Probability of finding vacant places =
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