Home
Class 11
MATHS
Given P(A)=3/5 and P(B)=1/5 Find P(A o...

Given `P(A)=3/5` and `P(B)=1/5`
Find P(A or B), if A and B are mutually exclusive events.

Text Solution

Verified by Experts

Since .A. and .B. are mutually exclusive events, .P(A nn B)=varnothing. Therefore, .P(A. or .B)=P(A uu B)=P(A)+P(B)=3/5+1/5=4/5.
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    V PUBLICATION|Exercise QUESTION BANK|43 Videos

  • RELATIONS AND FUNCTIONS

    V PUBLICATION|Exercise QUESTIONBANK|79 Videos

Similar Questions

Explore conceptually related problems

if P(A)=3/5 and P(B)=1/5 , then find P(AbigcupB) , if A and B are mutually exclusive events.

A and B are two events such that P(A)=1/5 and P(AuuB)=2/5 Find P(B) if they are mutually exclusive. a) 1/5 b) 2/5 c) 3/5 d) 4/5

If P(A) =3/5 and P(B)=1/5,find P(AnnB) if A and B are independent events.

If P(A)=0.5,P(B)=0.2,then find P(A uu B) . (Given that A and B are mutually exclusive).

A and B are two events such that P(A)=1/5 and P(AcupB)=2/3 .Find p(B) if they are mutually exclusive a)1/5 b) 2/5 c) 3/5 d) 7/15

Given that the events 'A' and 'B' are such that 'P(A)=1/2, P(A uu B)=3/5' and 'P(B)=p'. Find 'p' if they are (i) mutually exclusive ii) independent.

If P(A)=3/4 ,P(B)=4/5 and P(A uu B)=31/20 the events A and B are

if P(A)=6/11,P(B)=5/11 and P(AuuB)=9/11 Find P(A|B)

Given that the events A and B are such that P(A)=1/2, P(AUB) =3/5 and P(B) =P.Find p if they are mutually exclusive

Consider two events such that P(A)= 1/2 , P(AuuB)=3/5 and P(B)=P. Find P, if A and B are independent events

V PUBLICATION-PROBABILITY-QUESTION BANK
  1. Check whether the following probabilites P(A) and P(B) are consistentl...

    Text Solution

    |

  2. Fill in the blank space.

    Text Solution

    |

  3. Given P(A)=3/5 and P(B)=1/5 Find P(A or B), if A and B are mutually ...

    Text Solution

    |

  4. If E and F are events such that P(E)=1/4,P(F)=1/2,and p(E and F)=1/8....

    Text Solution

    |

  5. Events E and F are such that P(not E or not F)=0.25, state whether E a...

    Text Solution

    |

  6. If A and B are two events such that P(A)=0.42,P(B)=0.48 and P(AbigcapB...

    Text Solution

    |

  7. In class XI of a school 40% of the students study Mathematics and 30% ...

    Text Solution

    |

  8. In an entrance test that is graded on the basis of two examinations, t...

    Text Solution

    |

  9. The probability that a student will pass the final examination. in bot...

    Text Solution

    |

  10. In a class of 60 students, 30 opted for NCC, 32 opted for NSS and 24 o...

    Text Solution

    |

  11. On her vacations, Veena visits four cities (A, B, C and D ) in a rando...

    Text Solution

    |

  12. Find the probability that when a hand of 7 cards is drawn from a well ...

    Text Solution

    |

  13. If A,B,C are three events assọciated with a random experiment, prove t...

    Text Solution

    |

  14. In a relay race there are-five teams 'A, B, C, D' and 'E'. a) What is ...

    Text Solution

    |

  15. A box contains 10 red marbles,20 blue marbles and 30 green marbles. 5 ...

    Text Solution

    |

  16. 4 cards are drawn from a well shuffled deck of 52 cards.What is the pr...

    Text Solution

    |

  17. A die has two faces each with number 1,three faces with number 2 and o...

    Text Solution

    |

  18. In a certain lottery ticket 10000 tickets are sold and 10 equal prizes...

    Text Solution

    |

  19. Out of 100 students,two sections of 40 and 60 are formed.If you and yo...

    Text Solution

    |

  20. Three letters are dictated to three persons and an envelope is address...

    Text Solution

    |