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In a class having 70% boys, 20% of the boys and 10% of the girls are players. A student is selected at random from the class and is found to be a player. Find the probability that the selected student is a girl.
cbse
class12
modelpaper
2012
sec-a
q10
math
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asked
Jan 3, 2013
by
thanvigandhi_1
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In a class having 70% boys, 20% of the boys, and 10% of the girls are players. A student is selected at random from the class and found to be a player. Find the probability that the selected is a girl. Explain the contribution of sports in inculcating human values.
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In a class having 70% boys, 20% of the boys and 10% of the girls are player
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In a group of student, selection of four students for cultural activity from 3 boys and 3 girls has to be done. Find the probability that either 3 boys and 1 girl or 3 girls and one boy are selected.
cbse
class12
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2012
sec-b
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(i) In a group of student, selection of four students for cultural activity from 3 boys and 3 girls has to be done. Find the probability that either 3 boys and 1 girl or 3 girls and one boy are selected. (ii) Write the importance of co-curricular activities in inculcating human values.
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A class has fifteen boys and five girls. Suppose three students are selected at random from the class. The probability that three are two boys and one girl is
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Sep 23, 2013
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meena.p
1
answer
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