Home
Class 12
MATHS
X and Y are independent binomial variabl...

X and Y are independent binomial variables. `B(5,(1)/(2)) ` and `B(7,(1)/(2))` then `P(X + Y =3)=` ………

A

`(55)/(1024)`

B

`(55)/(4049)`

C

`(55)/(2048)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Practice Paper - 13 (Section - A (Choose the correct option))|6 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Practice Paper - 13 (Section - B (Answer the following questions))|4 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Fillers) |5 Videos

  • MATRICES

    KUMAR PRAKASHAN|Exercise Practice Paper - 3 (Section - D)|1 Videos

  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise Practice Paper - 1 (Section - D)|2 Videos

Similar Questions

Explore conceptually related problems

If X and Y are independent binomial vatiates B(5,1/2) and B(7,1/2) and the value of P(X+Y=3) is

If A and B are two independent events such that P(A)= (1)/(2), P(B)= (1)/(5) , then P(A | (A cup B)) = ………

If A and B are two independent events such that P(A)=(1)/(2) " and " P(B)=(1)/(5) , then which of the following is correct ?

Find the vaoue of each of the folllowing polynomials for the indicated value of variables: (i) p(x) = 4x ^(2) - 3x + 7 at x =1 (ii) q (y) = 2y ^(3) - 4y + sqrt11 at y =1 (iii) r (t) = 4t ^(4) + 3t ^(3) -t ^(2) + 6 at t =p, t in R (iv) s (z) = z ^(3) -1 at z =1 (v) p (x) = 3x ^(2) + 5x -7 at x =1 (vii) q (z) = 5z ^(3) - 4z + sqrt2 at z =2

Two dice are tossed. Find whether the following two events A and B are independent : A = {(x, y): x + y = 11} and B = {(x, y): x ne 5} where (x, y) denotes a typical sample point.

If the standard deviation of variable x is 4 and y = (3x + 7)/(4) then the standard deviation of variable y is

An equilateral triangle has each side equal to a. If the coordinates of its vertices are (x_(1), y_(1)), (x_(2), y_(2)) and (x_(3), y_(3)) then the square of the determinant |(x_(1),y_(1),1),(x_(2),y_(2),1),(x_(3),y_(3),1)| equals

If the midpoint of the line segment joining A((x)/(2),(y + 1)/(2)) and B(x + 1, y - 3) is c(5, - 2) find x and y

Show that the tangent of an angle between the lines (x)/(a) + (y)/( b) = 1 and (x)/( a) - (y)/( b) = 1 is (2 ab)/( a^(2) - b^(2) ) .

KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
  1. Random variable X takes integer values from 1 to n with equal probabil...

    Text Solution

    |

  2. 8 coins are tossed togather. Then ………. is the probability of an event ...

    Text Solution

    |

  3. Mean and variance of the binomial distribution is 4 and 3 respectively...

    Text Solution

    |

  4. One ticket is selected from pack of 100 tickets numbered with 00, 01, ...

    Text Solution

    |

  5. Mean and variance of variable X of the binomial distribution are (7)/(...

    Text Solution

    |

  6. X and Y are independent binomial variables. B(5,(1)/(2)) and B(7,(1)/...

    Text Solution

    |

  7. 10 % bulbs are defective produced by some factory. 5 bulbs are selecte...

    Text Solution

    |

  8. Match the following Section I to Section II

    Text Solution

    |

  9. A coin is tossed 19 times random variable X denotes the numbers of hea...

    Text Solution

    |

  10. Mean and variance of random variable X are 2 and 1 respectively. Then ...

    Text Solution

    |

  11. Parameters of binomial distribution of variable X are 2n +1 and p =(1...

    Text Solution

    |

  12. A coin is tossed for some times. Probability to get head 7 times is th...

    Text Solution

    |

  13. The sum and product of mean and variance of one binomial distribution ...

    Text Solution

    |

  14. A dice is tossed 100 times. If even number is obtained on dice is succ...

    Text Solution

    |

  15. If P(E ) = 0.8, P(F) = 0.5 and P(E cap F) = 0.4 then P( E//F)=….........

    Text Solution

    |

  16. A random variable X has the following probability distribution : ...

    Text Solution

    |

  17. Choose the correct answer The probability of obtaining an even prime...

    Text Solution

    |

  18. An unbiased coin is tossed 5 times. Suppose that a variable X is assig...

    Text Solution

    |

  19. In a workshop, there are five machines and the probability of any one ...

    Text Solution

    |

  20. If the foot of perpendicular drawn from the point (1, 0, 3) on a line ...

    Text Solution

    |