Home
Class 11
MATHS
If A1, A2, A3 are mutually exclusive an...

If `A_1`, `A_2`, `A_3` are mutually exclusive and exhaustive, then `P(A_1) + P(A_2) + P(A_3)` equal______

Promotional Banner

Topper's Solved these Questions

  • Model Test Set - 7

    UNITED BOOK HOUSE|Exercise Exercise |43 Videos

  • Model Test Set - 9

    UNITED BOOK HOUSE|Exercise Exercise |45 Videos

Similar Questions

Explore conceptually related problems

If A_1,A_2, A_3 , are equally likely, exhaustive and mutually exclusive then P(A_1) equals

Statement 1: if A={2,4,6,},B{1,5,3}w h e r eAa n dB are the events of numbers occurring on a dice, then P(A)+P(B)=1. Statement 2: A_1, A_2, A_3,...... , A_n are all mutually exclusive events, then P(A_1)+P(A_2)+.......+P(A_n)=1.

If A_1 , A_2 , A_3 are mutually exclusive, mutually independent and exhaustive, then the probability that A_1 , A_2 , A_3 occur simultaneously is

Prove that, if A_1 and A_2 are two events, which are not necessarily mutually exclusive then P(A_1 uu A_2) = P(A_1) + P(A_1 nn A_2)

If P(A_1) = 0.2 , P(A_2) = 0.1 and P(A_3) = 0.3 and these events are mutually independent, then what is the value of P(A_1 nn A_2 nn A_3) ?

If A, A_1,A_2,A_3 are the areas of the inscribed and escribed circles of a DeltaABC, then

If A_1,A_2, A_3,.. are sets such that n(A_i)=101-i , A_1 sup A_2 sup A_3 sup ...supA_100 and A=nn_(i=5)^100 A_i then n(A) is equal to

If a_0, a_1, a_2, a_3 are all the positive, then 4a_0x^3+3a_1x^2+2a_2x+a_3=0 has least one root in (-1,0) if (a) a_0+a_2=a_1+a_3 and 4a_0+2a_2>3a_1+a_3 (b) 4a_0+2a_2<3a_1+a_3 (c) 4a_0+2a_2=3a_1+a_0 and 4a_0+a_2lta_1+a_3 (d) none of these

If A_1,A_2 be two AM's and G_1,G_2 be the two GM's between two number a and b , then (A_1+A_2)/(G_1G_2) is equal to

Show that P(B)>0 , then P(A_1 cup A_2|B) = P(A_1|B) + P(A_2|B)-P(A_1 cap A_2|B) .

UNITED BOOK HOUSE-Model Test Set - 8-Exercise
  1. State the empirical relation among mean, median and mode.

    Text Solution

    |

  2. Describe the sample space when one coin is tossed repeatedly till head...

    Text Solution

    |

  3. If A1, A2, A3 are mutually exclusive and exhaustive, then P(A1) + P(A...

    Text Solution

    |

  4. Total number of condition for independence of 3 events is

    Text Solution

    |

  5. Write down the Paasche's price index formula?

    Text Solution

    |

  6. What do you mean by Real wage?

    Text Solution

    |

  7. What is crude rate of natural increase?

    Text Solution

    |

  8. Define Total fertility rate?

    Text Solution

    |

  9. Distinguish between the qualitative data and quantitative data.

    Text Solution

    |

  10. The mean and standard deviation of two numbers are 10 and 2 respective...

    Text Solution

    |

  11. What point should be kept in view during tabulation.

    Text Solution

    |

  12. Show that the probability that exactly one of the events A and B occur...

    Text Solution

    |

  13. If P(A) = 1/2, P(B) = 2/3, then prove that 1/6 le P(A nn B) le 1/2.

    Text Solution

    |

  14. The probability of occurance of at least one of two events A and B is ...

    Text Solution

    |

  15. What are skewness and kurtosis?

    Text Solution

    |

  16. What is coefficient of variation? State its uses.

    Text Solution

    |

  17. Discuss about different sources of data on vital events.

    Text Solution

    |

  18. If x, y, z are positive quantities, prove that frac(x^3 + y^3)(x + y) ...

    Text Solution

    |

  19. Prove that there are no integers x, y such that x + y = 200 and greate...

    Text Solution

    |

  20. What do you mean by smog?

    Text Solution

    |