Home
Class 11
MATHS
A random variate X takes the values 0, 1...

A random variate X takes the values 0, 1, 2, 3 and its mean is 1.3. If `P(X= 3) = 2P(X= 1)` and `P(X= 2) = 0.3`, then `P(X= 0)` is equal to

A

0.1

B

0.2

C

0.3

D

0.4

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|239 Videos

  • QUESTION PAPER 2016

    MARVEL PUBLICATION|Exercise QUESTION|47 Videos

Similar Questions

Explore conceptually related problems

A random variable X takes the value -1,0,1. It's mean is 0.6. If P(X=0)=0.2 then P(X=1)=

A random variable X has its range {-1,0,1} . If its mean is 0.2 and P(X=0)=0.2 ,then P(X=1)=

A random variable X takes the values 0,1 and 2 .If P(X=1)=P(X=2) and P(X=0)=0.4 ,then the mean value of the random variable X is

The random variable X can take only the values 0,1,2. If P(X=0)=P(X=1)=p and E(X^(2))=E[X] , then find valu of p.

A random variable X takes the value 1,2,3 and 4 such that 2P(X=1)=3P(X=2)=P(X=3)=5P(X=4) . If sigma^(2) is the variance and mu is the mean of X then sigma^(2)+mu^(2)=

A random variable X takes the values 0,1,2,3,..., with prbability PX(=x)=k(x+1)((1)/(5))^x , where k is a constant, then P(X=0) is.

The random variable X can the values 0,1,2,3, Give P(X=0)=P(X=1)=p and P(X=2)=P(X=3) such that sum p_(i)x_(i)^(2)=2sum p_(i)x_(i) then find the value of p

A random variable X takes values 0, 1, 2, 3,… with probability proportional to (x+1)((1)/(5))^x . P(Xge2) equals

The random variable X can take only the values 0;1;2. Giventhat P(X=0)=P(X=1)=p and that E(X^(2))=E(X); find the value of p.

Gien that X is discrete random variable which take the values, 0,1,2 and P(X=0)=(144)/(169),P(X=1)=(1)/(169) , then the value of P(X=2) is

MARVEL PUBLICATION-PROBABILITY DISTRIBUTIONS-MCQs
  1. The time (X) one has to wait for a bus at a downtown bus -stop has t...

    Text Solution

    |

  2. A random variable X takes the values 0,1,2,3,..., with prbability PX(=...

    Text Solution

    |

  3. A random variate X takes the values 0, 1, 2, 3 and its mean is 1.3. If...

    Text Solution

    |

  4. If in a distribution each x is replaced by corresponding value of f(x)...

    Text Solution

    |

  5. If the range ot a random vaniabie X is 0,1,2,3, at P(X=K)=((K+1)/3^k) ...

    Text Solution

    |

  6. If X follows a binomial distribution with parameters n=6 and p. If 4(P...

    Text Solution

    |

  7. Seven chits are numbered 1 to 7. Four chits are drawn one by one with ...

    Text Solution

    |

  8. An unbiased die is thrown . X dentes the number on the face of the die...

    Text Solution

    |

  9. Three numbers are chosen from 1 to 20. Find the probability that they ...

    Text Solution

    |

  10. Two cards are drawn from a well shuffled pack of 52 cards. The probabi...

    Text Solution

    |

  11. A and B are two events such that P (Acup B) = 0.5,P(AcapB) =0.3 ,P(B)=...

    Text Solution

    |

  12. Given P(A cup B)=0.6 , P(A capB)=0.2 , then probability of exactly on...

    Text Solution

    |

  13. From a group of 8 boys and 3 girls, a committee of 5 members to be for...

    Text Solution

    |

  14. If P (A) =0.8, P(B)=0.6, P(AcapB)=0.5, then P(B'|A')=

    Text Solution

    |

  15. If two dice are thrown together . Then , the probability that the sum ...

    Text Solution

    |

  16. A four digit number is to be formed using the digits 1,2,3, 4, 5,6,7 (...

    Text Solution

    |

  17. Two coins are tossed simultaneously. Then, the value of E(X), where X ...

    Text Solution

    |

  18. If P (A) =0.4,P(B)=0.8 and P(A cap B)=0.3 then the probability that ex...

    Text Solution

    |

  19. An urn contains 4 black and 6 red balls. If two balls are drawn at ran...

    Text Solution

    |

  20. Two fair coins are tossed .if X represents the number of tails obtaine...

    Text Solution

    |