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CBSE XII
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Math
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Model Papers
Find the probability of number of doublets in three throws of a pair of dice.
cbse
class12
modelpaper
2012
sec-b
q15
math
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asked
Jan 24, 2013
by
thanvigandhi_1
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Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin three times and notes the number of heads. If she gets 1, 2, 3 or 4 she tosses a coin once and notes whether a head or tail is obtained. If she obtained exactly one head, what is the probability that she threw 1, 2, 3 or 4 with the die?
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