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For any two events A and B prove that P(...

For any two events A and B prove that `P(A cup B) le P{A) + P (B)`.

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For any two events A and b prove that, P(A cap B ) le P(A) le P(A cup B ) le P(A) + P(B)

For any two sets A and B, prove that P(A) cup P(B) sube P(A cup B)

For any two events A and B prove that, P(A//B) lt P(B//A) " if " P(A) lt P(B)

For any two sets A and B, prove that P(A cap B) = P(A) capP(B) where P(A) is the power set of A.

For any two events A and b prove that, P(A) ge P(A cap B) ge P(A) + P(B) - 1

For any two events A and B, show that, P(A uu B) = P(A) + P(B) - P(A nn B) .

Foe any two events A and B prove that , P(A)geP(AcapB)geP(A)+P(B)-1

For any three events A, B and C, prove that. P(A cup B cup C) = P(A) + P(B) + P( C)-P(Acap B) -P(BcapC) - P(CcapA) + P(Acap B cap C).

For any two events A and B, show that max {P(A),P(B)} le P(A cup B) le min{P(A) + P(B),1} Where A cup B, A cap B, max{P(A), P(B)} and min {P(A)+P(B),1} are the occurence of A and B, occurence of A and B both, maximum of P(A) and P(B): minimum of P(A) + P(B) and 1 respectively.

For twos events A and B if P(A cup B) = (3)/(4) , P(A cap B) = (1)/(4), P(A) = (2)/(3) then P(bar(A) cap B) =

UNITED BOOK HOUSE-MCQ-EXERCISE
  1. Find the coefficient of variation of the following data :

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  2. Find the mean deviation about median from the following data.

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  3. For any two events A and B prove that P(A cup B) le P{A) + P (B).

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  4. From 100 tickets numbered 1, 2,3.. ..... 100.four are drawn at random....

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  5. Two balls are drawn at random from a bag containing 6 white and 4 blac...

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  6. If the circles x^2+y^2+2ax+c^2=0and x^2+y^2+2by+c^2=0touch each other,...

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  7. If acosphi=b costheta,show that a tantheta+b tanphi=(a+b)tan((theta+ph...

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  8. If (cot(alpha-beta))/cotalpha+(cos^2gamma)/(cos^2alpha)=1show that tan...

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  9. Solve :cos^3xcos3x+sin^3xsin3x=0

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  10. In any triangle ABC If sinA : sinB: sinC=4:5:6,then prove that cos A ...

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  11. Find the domain of definition of the function defined by f(x)=1/loge(2...

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  12. Solve :barz=iz^2(z being a complex number)

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  13. if x be real, show that the value of (2x^2-2x+4)/(x^2-4x+3)cannot lie ...

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  14. If alpha be a root of the quadratic equaiton 4x^2+2x-1=0 .Prove that 4...

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  15. solve : |x+2|/x<3where x in Rand x!=0

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  16. Show that there are 136 ways of selecting 4 letters from the word EXAM...

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  17. If the coefficient of-four successive termsin the expansion of (1+x)^n...

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  18. If s1,s2,s3are thesums of n natural numbers, theirsquares, their cubes...

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  19. Find the sum upto n terms : 12+14+24+58+164+….

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  20. Find the equation of the parabola whose co-ordinate of vertex is (-2, ...

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