Home
Class 12
MATHS
Suppose that the probability that your a...

Suppose that the probability that your alarm goes off in the morning is 0.9. If the alarm goes off, the probability is 0.8 that you attend your 8 a.m. class. If the alarm does not go to off, the probability that you make your 8 a.m.class is 0.5. Find the probability that you make your 8 a.m. class.

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2014

    MODERN PUBLICATION|Exercise EXERCISE|35 Videos
  • SAMPLE PAPER 2016

    MODERN PUBLICATION|Exercise EXERCISE|48 Videos

Similar Questions

Explore conceptually related problems

A person takes 3 tests in succession. The probability of his (her) passing the first test is 0.8. The probability of passing each successive test is 0.8 or 0.5 according as he passes or fails the preceding test. Find the probability of his (her) passing at least 2 tests.

A jeep moving at a speed of 50 km/hr reaches the foot of smooth incline where its engine is switched off. How much distance does the jeep go up the incline before coming to rest ? The inclination of the plane to the horizontal is 45^@ and the acceleration due to gravity at the place is 9.8m/s^2

MODERN PUBLICATION-SAMPLE PAPER 2015-EXERCISE
  1. Prove that the measure of the angle between two main diagonals of a cu...

    Text Solution

    |

  2. Find the equation of the plane through the points (1, 2, -3), (2,3, -4...

    Text Solution

    |

  3. Find the perpendicular distance of the point (-1,3,9) from the line (x...

    Text Solution

    |

  4. Solve the following LPP graphically : Minimize Z = 6x(1)+7x(2) Sub...

    Text Solution

    |

  5. Find the feasible region the the following system of equations 2y-xge0...

    Text Solution

    |

  6. Solve the following equations by cramer's rule : 7x+y+1 = 0, x+13y+5 =...

    Text Solution

    |

  7. If A=[{:(3,-4),(1,-1):}] then show that A^(k)=[{:(1+2k,-4k),(k,1-2k):}...

    Text Solution

    |

  8. If A =[[1,-2,2],[3,1,-1]] B[[2,4],[1,2],[3,-1]] "verify" "that" (AB)^...

    Text Solution

    |

  9. How many four digits even numbers with distict digits can be formed ou...

    Text Solution

    |

  10. In how many ways can 10 boys and 10 girls sit in a row so that no two ...

    Text Solution

    |

  11. Find the fifth term in the expansion of (6x-a^3/x)^10

    Text Solution

    |

  12. Two different digits are selected at random from the digits 1 through ...

    Text Solution

    |

  13. Suppose that the probability that your alarm goes off in the morning i...

    Text Solution

    |

  14. Find the tangent to the curve y = cos (x + y), 0 le x le 2pi which is ...

    Text Solution

    |

  15. Evaluate intfrac[dx][cosx(1+2sinx)]

    Text Solution

    |

  16. If vec a = 2 hat i + hat j, vec b = - hat i + 2 hat k, vec c = 2 hat i...

    Text Solution

    |

  17. A sphere of constant radius k passes through the origin and meets the ...

    Text Solution

    |

  18. Maximize z=-10x+2y Subject to -x+yge-1 ,x+yle6 ,yle5, x,yge0

    Text Solution

    |

  19. Show that C1^2 + 2C2^2 + 3C3^2 + ... + "^nCn^2 = ((2n-1!))/{(n-1)!}^2

    Text Solution

    |

  20. From a box containing 32 bulbs out of which 8 are defective 4 bulbs ar...

    Text Solution

    |