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Suppose 5% of men and 0.25% of women hav...

Suppose 5% of men and 0.25% of women have grey hair. A grey haired person is selected at random. What is the probability of this person being male? Assume that there are equal number of males and females.

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Suppose that 5% of men and 0.25% of women have grey hair. A grey haired person is selected at random. What is the probability of these person being male? Assume that there are equal number of males and females.

Suppose that 5% of men and 0.25% of women have grey hair.A grey haired person is selected at random.What is the probability of this person being male? Assume that there are equal number of males and females.

Given that 5% of men and 0.25% of women have white hair. A white haired person is selected at random. What is the probability that this person is a man. Assume that there are equal number of men and women.

Suppose that 10% of men and 5% of women have grey hair. A grey haired person is selected at random. What is the probability that the selected person is male assuming that there are 60% males and 40% females

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From a group of 3men and 2 women , two persons are selected at random . Find the probability that atleast one women is selected .

From a group of 4 men ,3 women , 2 persons are selected at random, find the probability at least one man is selected ?

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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
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  2. A factory makes tennis rackets and cricket bats. A tennis racket ta...

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  3. Suppose 5% of men and 0.25% of women have grey hair. A grey haired ...

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  4. 2 tan^(-1) (cos x) = tan^(-1) (2 cosec x)

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  5. Prove the following: cot^(-1)((sqrt(1+sinx)\ \ +\ \ sqrt(1-sinx))/(sqr...

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  6. Write the value of the following determinant: |[102, 18, 36],[ 1, 3,...

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  7. If x[[2],[ 3]]+y[[-1],[ 1]]=[[10],[ 5]], write the value of xdot

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  8. If int0^a3x^2dx=8,\ write the value of ' a^(prime)dot

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  9. If int((x-1)/(x^2))e^x dx=f(x)e^x+c , then write the value of f(x)dot

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  10. If the binary operation * on the set Z of integers is defi...

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  11. If I is the identity matrix and A is a square matrix such that A...

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  12. Write the value of "cot"(tan^(-1)a+cot^(-1)a)dot

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  13. If x=a(cos t+tsint) and y=a(sint-tcost), then find (d^2y)/(dx^2)

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  14. Write the value of the are of the parallelogram determined by the v...

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