Home
Class 12
MATHS
Let X denote the number of hours you stu...

Let X denote the number of hours you study during a randomly selected school day. The probability that X can take the values x, has the following form, where k is some unknown constant.: `P(X=x)={(0.1,,if,,x=0),(kx,,if,,x=1or2),(k(5-x),,if,,x3or4),(0,,,,otherwise):}`What is the probability that you study at least two hours ? Exactly two hours? At most two hours?

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Let X denote the number of hours you study during a randomly selected school day. The probability that X can take the values x, has the following form, where k is some unknown constant.: P(X=x)={(0.1,,if,,x=0),(kx,,if,,x=1or2),(k(5-x),,if,,x3or4),(0,,,,otherwise):} Find the value of k.

Let X denotes the number of hours you study during a randomly selected schoold day. The probabildity X can take the value of x is given by P(X=x)={(0.1,ifx=0),(kx, if x=1or2),(k(5-x),if x=3or4'),(0,otherwise):} where k is some unknown constant What is the probability that you study for exactly two hours?

Let X denotes the number of hours you study during a randomly selected schoold day. The probabildity X can take the value of x is given by P(X=x)={(0.1,ifx=0),(kx, if x=1or2),(k(5-x),if x=3or4'),(0,otherwise):} where k is some unknown constant What is the probability that you study for atleast two hours?

Let X denotes the number of hours you study during a randomly selected schoold day. The probabildity X can take the value of x is given by P(X=x)={(0.1,ifx=0),(kx, if x=1or2),(k(5-x),if x=3or4'),(0,otherwise):} where k is some unknown constant What is the probability that you study for atmost two hours?

Let X denotes the number of hours you study during a randomly selected schoold day. The probabildity X can take the value of x is given by P(X=x)={(0.1,ifx=0),(kx, if x=1or2),(k(5-x),if x=3or4'),(0,otherwise):} where k is some unknown constant Find the value of k.

The random variable X has a probability distribution P(X) of the following form, where k is some number : P(x)={(k,, if,, x=0),(2k,, if,, x=1),(3k,, if,, x=2),(0,,,,):} Determine the value of k.

The random variable X has a probability distribution P(X) of the following form, where k is some number : P(x)={(k,, if,, x=0),(2k,, if,, x=1),(3k,, if,, x=2),(0,,,,):} find P(X<2), P(Xle2), P(Xge2) .

PSEB-PROBABILITY-Exercise
  1. Let X denote the number of hours you study during a randomly selected ...

    Text Solution

    |

  2. Given that E and F are events such that P(E) = 0.6, P(F) = 0.3 and P(E...

    Text Solution

    |

  3. Compute P(A|B),if P(B) = 0.5 and P (A cap B) = 0.32

    Text Solution

    |

  4. If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4 find: P(AcapB)

    Text Solution

    |

  5. If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4 find: P(A|B)

    Text Solution

    |

  6. If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4 find: P(AcupB)

    Text Solution

    |

  7. Evaluate P(A cup B) if P(A) = P(B) = 5/ 13 and P(A|B) = 2/ 5

    Text Solution

    |

  8. If P(A) = 6/11 , P(B) = 5/11 and P(A cup B) = 7/11 find: P(AcapB)

    Text Solution

    |

  9. If P(A) = 6/11 , P(B) = 5/11 and P(A cup B) = 7/11 find: P(A|B)

    Text Solution

    |

  10. If P(A) = 6/11 , P(B) = 5/11 and P(A cup B) = 7/11 find: P(B|A)

    Text Solution

    |

  11. Determine P(E|F) if A coin is tossed three times, where : E : head on ...

    Text Solution

    |

  12. Determine P(E|F) if A coin is tossed three times, where : E : at leas...

    Text Solution

    |

  13. Determine P(E|F) : if A coin is tossed three times, where : E : at mo...

    Text Solution

    |

  14. Determine P(E|F) if two coins are tossed once, where : E : tail appea...

    Text Solution

    |

  15. Determine P(E|F) if two coins are tossed once, where : E : no tail app...

    Text Solution

    |

  16. Determine P(E|F) if A die is thrown three times, where : E : 4 appear...

    Text Solution

    |

  17. Determine P(E|F) Mother, father and son line up at random for a famil...

    Text Solution

    |

  18. A black and a red dice are rolled :Find the conditional probability of...

    Text Solution

    |

  19. A black and a red dice are rolled: Find the conditional probability of...

    Text Solution

    |

  20. A fair die is rolled. Consider events E = {1,3,5}, F = {2,3}, and G = ...

    Text Solution

    |

  21. A fair die is rolled. Consider events E = {1,3,5}, F = {2,3}, and G = ...

    Text Solution

    |