Home
Class 12
MATHS
The probabilities of two students A and ...

The probabilities of two students A and B coming to the school in time are `3/7" "` and `5/7` respectively. Assuming that the events, A coming in time and B coming in time are independent, find the probability of only one of them coming to the school in time. Write at least one advantage of coming to school in time.

Promotional Banner

Topper's Solved these Questions

  • CUET MOCK TEST 2022

    XII BOARDS PREVIOUS YEAR|Exercise Question|49 Videos

Similar Questions

Explore conceptually related problems

The probability of two students A and B coming to school are 2/7 and 4/7 respectively. Assuming that the events 'A coming on time' and 'B coming on time' are independent, find the probability only one of them comes on time.

The probability of student A passing an examination is 3/7 and of student b passing is 5/7. Assuming the two events Apasses, B passes, as independent, find the probability of: Only A passing the examination Only one of them passing the examination

A dice is thrown twice. Find the probability of getting 3 at least one time.

If a coin be tossed n xx,then find the probability that the head comes odd xx.

A die is relled twice. Find the probability that 5 will come up both the times.

If a die rolled 3 times, what is the probability of number 5 coming up at least once.

The probability of student A passing an examination is (3)/(7) and of student B passing is (5)/(7). Assuming the two events A passes B passes as independent,find the probability only one of thempassing the examination.

A die is thrown twice. Find the probability that: 5 will not come up either time

If a die is thrown 5 times, then find the probability that an odd number will come up exactly three times.

If one out of 10 coming ships is wrecked.Find the probability that out of five coming ships at least 4 reach safely.

XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
  1. Using differentials, find the approximate value of sqrt(49. 5)

    Text Solution

    |

  2. Using properties of determinants, prove the following: |a^2a b a c a ...

    Text Solution

    |

  3. The probabilities of two students A and B coming to the school in t...

    Text Solution

    |

  4. Show that the lines vec r=3 hat i+2 hat j-4 hat k+lambda( hat i+2 ha...

    Text Solution

    |

  5. Find the particular solution of the differential equation satisfyin...

    Text Solution

    |

  6. Find the general solution of the differential equation xlogx\ dot(...

    Text Solution

    |

  7. If x=acos^3theta and y=asin^3theta, then find the value of (d^2y)/(...

    Text Solution

    |

  8. If y="sin"(logx), then prove that (x^2d^2y)/(dx^2)+x(dy)/(dx)+y=0

    Text Solution

    |

  9. Find the value of k , for which f(x)={{(sqrt(1+k x)-\ sqrt(1-k x))/(x...

    Text Solution

    |

  10. Two cards are drawn simultaneously (or successively without replace...

    Text Solution

    |

  11. One kind of cake requires 200 g of flour and 25 g of fat, and anoth...

    Text Solution

    |

  12. If vec a ,\ vec b ,\ vec c are three vectors such that vec ado...

    Text Solution

    |

  13. The probability that A hits a target is 1/3 and the probability tha...

    Text Solution

    |

  14. Using matrices, solve the following system of linear equations: 3x-2...

    Text Solution

    |

  15. Show that the lines (x+3)/(-3)==(z-5)/5;(x+1)/(-1)=(y-2)/2=(z-5)/5 are...

    Text Solution

    |

  16. Using integration, find the area of the region: {(x , y):9x^2+y^2l...

    Text Solution

    |

  17. Consider the binary operations ** \: R\ xx\ R -> R and o\ : R\ xx\ R ...

    Text Solution

    |

  18. Evaluate: intx^2\ dotcos^(-1)\ x\ dx

    Text Solution

    |

  19. Evaluate : int1/(x+xlogx)\ dx

    Text Solution

    |

  20. Find the area of the greatest rectangle that can be inscribed in an...

    Text Solution

    |