Home
Class 12
MATHS
Let the p,m f. of r.v X be d p(x)+((...

Let the p,m f. of r.v X be d
`p(x)+((4) ,(x))(5/9)^x(4/9)^(4-x)` , x= 0,1,2,3,4.

A

22.4

B

22.2

C

2.24

D

2.22

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF DERIVATIVES

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|282 Videos
  • CONTINUITY

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|374 Videos

Similar Questions

Explore conceptually related problems

Let the p.m.f. ( probability mass function ) of random variable x be P(x) = (4/x)(5/9)^(x)(4/x)^(4-x), x = 0, 1, 2, 3, 4 = 0 , otherwise Find E(x) and Var.(x)

The p.m.f of a d.r.v. X is P(X = x) = {{:(((. ^(5)C_(x)))/(2^(5))", for","x = 0,1,2,3,4,5"),(" 0,"," otherwise"):} If a = P(X le 2) and b = P(X ge 3) then the relation between a and b is

The p.m.f. of a r.v. is P(X=x)={{:((1)/(2^(5))""^(5)C_(x)","x=0","1","...","5),(0", otherwise"):},"then"

The p.m.f. of a r.v. is P(X=x)={{:((1)/(2^(5))""^(5)C_(x)","x=0","1","...","5),(0", otherwise"):},"then "P(Xge3) =

The p.m.f. of a r.v. is P(X=x)={{:((1)/(2^(5))""^(5)C_(x)","x=0","1","...","5),(0", otherwise"):},"then "P(Xle2) =

Verify whether the following functions can be regarded as the p.m.f for the given value of X : (1) P(X =x) ={:{(,(x^(2))/(5),x=0","1","2),(,0,"otherwise"):} (2) P(X = x) {{:(,(x-2)/(5),x=1","2","3","4),(,0,"otherwise"):}

The p.m.f. of a r.v. X is P(x)={{:((c)/(x^(3))","x=1","2","3),(0", otherwise"):},"then" E (X) =

Let f: R to R be defined by f(x) = (3x^(2)+3x-4)/(3-3x + 4x^(2)) , then

The p.m.f. of a r.v. X is P(x)={{:((3-x)/(10)","x=-1","0","1","2),(0", otherwise"):} then E (X) =

The p.m.f. of a r.v. X is P(x){{:(kx^(2)","x=1","2","3","4),(0", otherwise"):} , then Var (X) =

NIKITA PUBLICATION-BINOMIAL DISTRIBUTION-MCQS
  1. If r.vX ~B(n =5,P=(1)/(3)) then P(2gt X gt 4)=

    Text Solution

    |

  2. Let X ~ B (n, p ), if E (X) = 5, Var (X) = 2.5, then P(X<1) is

    Text Solution

    |

  3. Let the p,m f. of r.v X be d p(x)+((4) ,(x))(5/9)^x(4/9)^(4-x) , ...

    Text Solution

    |

  4. Let the p,m f. of r.v X be d p(x)+((4) ,(x))(5/9)^x(4/9)^(4-x) , ...

    Text Solution

    |

  5. For X ~ B (n , p), if n = 5 and the sum of the mean and variance is 1....

    Text Solution

    |

  6. Each of five questions on a multiple choice examination has four choic...

    Text Solution

    |

  7. Each of five questions on a multiple choice examination has four choic...

    Text Solution

    |

  8. Each of the total fice questions in amultiple choice examination has f...

    Text Solution

    |

  9. If X be binomial distribution with mean np and variance npq, then find...

    Text Solution

    |

  10. If n toys are distributed among N boys randomly, then the probability ...

    Text Solution

    |

  11. The centres for disease control have determined that when a person is ...

    Text Solution

    |

  12. The centres for disease control have determined that when a person is ...

    Text Solution

    |

  13. Probability that a person will devlop immunity after vaccinatio...

    Text Solution

    |

  14. It is possible for a computer to pick up an erroneous signal that does...

    Text Solution

    |

  15. It is possible for a computer to pick up an erroneous signal that does...

    Text Solution

    |

  16. In an experiment, a fair coin is tossed three times. If success means ...

    Text Solution

    |

  17. Five fair coins are tossed simultaneously. If the probability of getti...

    Text Solution

    |

  18. Five fair coins are tossed 8 times, then the probability that it shows...

    Text Solution

    |

  19. If a fair coin is tossed 8 times , then the probability that it shows ...

    Text Solution

    |

  20. If a fair coin is tossed 8 times , then the probability that it shows ...

    Text Solution

    |