Home
Class 12
MATHS
If P(A/B)=0.8,P(B/A)=0.6" and " P(A^c cu...

If `P(A/B)=0.8,P(B/A)=0.6" and " P(A^c cupB^c)=0.7`, then find the value of `P(A cup B)`.

Text Solution

Verified by Experts

The correct Answer is:
`(23)/(40)`
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER -2018

    CHHAYA PUBLICATION|Exercise WBJEE|45 Videos

  • QUADRATIC EQUATIONS

    CHHAYA PUBLICATION|Exercise Sample Question for Competitive Exams (Assertion- Reason Type)|2 Videos

  • QUESTION PAPER 2017

    CHHAYA PUBLICATION|Exercise UNIT-4|4 Videos

Similar Questions

Explore conceptually related problems

e) answer any one question : (i) if P(A/B)=0.8 , P(B/A)=0.6 and P(A^c uu B^c)=0.7 , then find the value of P(A uu B)

Given that P(A//B)=0.8, P(B//A)=0.6 and P(A^(c ) cup B^(c ))=0.7 , find the value of P(A//B^(c )) .

If P(A)=0.54, P(B)=0.69 and P(A cap B)=0.35 , then the value of P(A' cup B') is-

If two events A and B are such as P(A^(c ))=0.3, P(B)=0.4 and P(A cap B^(c ))=0.5 , find the value of P[B//(A cup B^(c ))] .

If P(A//B)= 0.75, P(B//A) = 0.6 and P(A)=0.4 find the value of P(barA//barB)

If two events Aa n dB are such that P(A^c)=0. 3 ,P(B)=0. 4 ,a n dP(AnnB^c)=0. 5 , then find the value of P[B//(AuuB^c)]dot

IfP(A)=0.54,P(B)=0.69and P(AcapB)=0.35 ,then the value of P(A'cupB') is

If P(A) = 2/3, P(B) = 1/2 and P(A uu B) = 3/4 then find the value of P(A^C uu B^C) .

If P(A)=(2)/(3),P(B)=(1)/(2) and P(A cap B)=(1)/(6) , find the value of P(A cup B), P(A//B), P(B//A), P(A cap B^(c )), P(A^(c ) cap B^(c )) and P(A^(c ) cup B^(c ))

If P(A)=(2)/(3), P(B)=(1)/(2), P(A cap B)=(1)/(6) , then find the value of P(A cap B) and P(A cup B)

CHHAYA PUBLICATION-QUESTION PAPER -2018-WBJEE
  1. If P(A/B)=0.8,P(B/A)=0.6" and " P(A^c cupB^c)=0.7, then find the value...

    Text Solution

    |

  2. The approximate value of sin31^(@) is

    Text Solution

    |

  3. Let f1(x)=e^x,f2(x)=e^(f1(x)),"........",f(n+1)(x)=e^(fn(x)) for all n...

    Text Solution

    |

  4. f(x)=|x| is increasing in

    Text Solution

    |

  5. Let f(x)=3x^(10)-7x^8+5x^6-21x^3+3x^2-7. Then lim(hto0)(f(1-h)-f(1))/(...

    Text Solution

    |

  6. Let f:[a,b]toR be such that f is differentiable in (a,b), f is continu...

    Text Solution

    |

  7. Let f:Rto R be a twice continuously differentiable function such that ...

    Text Solution

    |

  8. If inte^(sinx)[(xcos^3x-sinx)/(cos^2x)]dx=e^(sinx)*f(x)+c, where c is ...

    Text Solution

    |

  9. If intf(x)sinxcosxdx=(1)/(2(b^2-a^2))logf(x)+c, where c is the constan...

    Text Solution

    |

  10. If M=int0^((pi)/(2))(cosx)/(x+2)dx,N=int0^((pi)/(4))(sinxcosx)/((x+1)^...

    Text Solution

    |

  11. The value of the integral I=int((1)/(2014))^(2014)(tan^(-1)x)/(x)dx is

    Text Solution

    |

  12. Let I= int(pi//4)^(pi//3) (sinx)/(x)dx. Then

    Text Solution

    |

  13. The value of I=int((pi)/(2))^((5pi)/(2))(e^(tan^(-1))(sinx))/(e^(tan^(...

    Text Solution

    |

  14. The value of lim(ntooo)(1)/(n)[sec^2""(pi)/(4n)+sec^2""(2pi)/(4n)+.......

    Text Solution

    |

  15. The differential equation representing the family of curves y^2=2c(x+s...

    Text Solution

    |

  16. Let y(x) be a solution of (1+x^2)"" (dy)/(dx)+2xy-4x^2=0 and y(0)=-1. ...

    Text Solution

    |

  17. The law or motion of a body moving along a straight line is x=(1)/(2)...

    Text Solution

    |

  18. Number of common tangents of y=x^2" and " y=-x^2+4x-4 is

    Text Solution

    |

  19. If |{:(-1,7,0),(2,1,-3),(3,4,1):}|=A" then"|{:(13,-11,5),(-7,-1,25),(-...

    Text Solution

    |

  20. If ar=(cos2rpi+isin2rpi)^((1)/(9)), then the value of |{:(a1,a2,a3),(a...

    Text Solution

    |

  21. If Sr=|{:(2r,x,n(n+1)),(6r^2-1,y,n^2(2n+3)),(4r^3-2nr,z,n^3(n+1)):}|, ...

    Text Solution

    |