Search results for class 12

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If P(A) = 1/2 P(B) = 1/3 P(A∪B} = 7/12 find P(B/A)

asked Nov 25, 2021 in Education by JackTerrance (1.7m points)

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Events A and B are such that P(E) = 3/5 , P(F)(B) = 7/12 P (not A or not B) = 1/4. State whether A and B are independent ?

asked Nov 25, 2021 in Education by JackTerrance (1.7m points)

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P(A) = 1/2, P(B) = 7/12, P(not A or not B) = 1/4

asked Nov 25, 2021 in Education by JackTerrance (1.7m points)

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A committee of 12 with at least 5 women has to formed from 9 women and 8 men.

asked Nov 25, 2021 in Education by JackTerrance (1.7m points)

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Let A and B be the events such that P (A) = 7/12, P (B) = 9/13 and P (A ∩ B) = 4/13.

asked Nov 22, 2021 in Education by JackTerrance (1.7m points)

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There are 20 girls and 60 boys in a class. Half of the girls and half of the boys are first class students.

asked Nov 25, 2021 in Education by JackTerrance (1.7m points)

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In a class, 5% of the boys and 10% of the girls have an IQ of more than 150. In this class, 60% of the students are boys.

asked Nov 22, 2021 in Education by JackTerrance (1.7m points)

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1 answer

A problem in a question paper is given to 3 students in a class to be solved.

asked Nov 25, 2021 in Education by JackTerrance (1.7m points)

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1 answer

In a class 45% students read English, 30% read French and 20% read both English and trench.

asked Nov 25, 2021 in Education by JackTerrance (1.7m points)

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1 answer

A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20, 16, 18, 20, 17, 16, 19 and 20 years.

asked Nov 25, 2021 in Education by JackTerrance (1.7m points)

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