Home
Class 11
MATHS
The probability that in a family of 5 me...

The probability that in a family of 5 members, exactly 2 members have birthday on Sunday is -

A

a)`(12xx5^3)/7^5`

B

b)`(10xx6^2)/7^5`

C

c)2/3

D

d)`(10xx6^3)/7^5`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • JODHPUR PARK BOYS'S SCHOOL

    UNITED BOOK HOUSE|Exercise EXERCISE|41 Videos
  • Kalidhan Institution, Question Paper

    UNITED BOOK HOUSE|Exercise Exercise |23 Videos

Similar Questions

Explore conceptually related problems

Find the probability that birthdays of any two members out of five members in a family fall on Sunday.

Find the probability that in a family of 4 children there will be at least one boy. (Assume that the probability of a male child is 1/2 )

An executive committee of 6 is formed from 4 ladies and 7 gentlemen. Find the probability that the committee will consist of (i) exactly 2 lady members (ii) at least two lady members.

A bag contains 20 coins. If the probability that the bag contains exactly 4 biased coin is 1/3 and that of exactly 5 biased coin is 2/3, then the probability that all the biased coin are sorted out from bag is exactly 10 draws is

A bag contains 20 coins. If the probability that the bag contains exactly 4 biased coin is 1/3 and that of exactly 5 biased coin is 2/3 , then the probability that all the biased coin are sorted out from bag is exactly 10 draws is a. 5/(10)(.^(16)C_6)/(.^(20)C_9)+1/(11)(.^(15)C_5)/(.^(20)C_9) b. 2/(33)[(.^(16)C_6+5 .^(15)C_5)/(.^(20)C_9)] c. 5/(33)(.^(16)C_7)/(.^(20)C_9)+1/(11)(.^(15)C_6)/(.^(20)C_9) d. none of these

In family there are 5 children. Find the probability that (i) all of them will have different birthdays (ii) two of them will have the same birthday and (iii) at least two of them will have the same birthday (1 year = 365 days).

In a family there are 4 children. Find the probability that (i) all of them will have different birthdays, (ii) two of them will have the same birthday (1 year = 365 days).

Sarada and Hamida are friends. What is the probability that both will have (1) different birthdays? (ii) the same birthday? (ignoring a leap year).

The probability that a non-leap year selected at random will have 53 Sundays is

Eight unbiased coins are tossed at time . Show that the probabiility of obtaining 5 heads is exactly the same as the probability of obtaining 3 heads

UNITED BOOK HOUSE-KALIDHAN INSTITUTION-EXERCISE
  1. The maximum value of sinthetacosthetais

    Text Solution

    |

  2. There are two children in a family.One of them is a girl child .What i...

    Text Solution

    |

  3. The probability that in a family of 5 members, exactly 2 members have...

    Text Solution

    |

  4. The angles of a triangle are in the ration 5:4:3 .Find the circular me...

    Text Solution

    |

  5. Prove that,sqrt((sectheta-1)/(sectheta+1))=cosectheta-cottheta

    Text Solution

    |

  6. If A,B,C are positive acute angles and tan A=4/7and tan B=1/7,tan C=1/...

    Text Solution

    |

  7. Find the value of 1/2sec80^@-2cos20^@

    Text Solution

    |

  8. Find out the three cube-roots of 8.

    Text Solution

    |

  9. In how many ways can the results of the three football matches be pred...

    Text Solution

    |

  10. State the binomial theorem for a positve integral index.

    Text Solution

    |

  11. Is 600 a terms of the A.P{7,11,15,19,…}.Give reason for your answer.

    Text Solution

    |

  12. Find the equation of the line which passes through the point (4,-6)and...

    Text Solution

    |

  13. The co-ordinates of a moving point P are.[a/2(cosectheta+sintheta)b/2(...

    Text Solution

    |

  14. Find the value of p so that the roots of the equation 3x^2-2(7+9p)x+(8...

    Text Solution

    |

  15. Do you think 4 as a complex number?if so why ?

    Text Solution

    |

  16. Two unbaised dice are rolled together.Find the probability getting 2 d...

    Text Solution

    |

  17. What is the chance that a leap year selected at random will contain 53...

    Text Solution

    |

  18. sinalpha+sinbeta=aand cosalpha+cosbeta=bprove that ,tan((alpha-beta)/2...

    Text Solution

    |

  19. sintheta=ksin(theta+phi).show that tan(theta+phi)=(sinphi)/(cosphi-K)

    Text Solution

    |

  20. Prove by the principle of mathematical induction that.4^n+15n-1is a mu...

    Text Solution

    |