Home
Class 12
MATHS
If three values of a variable are 4,5,7 ...

If three values of a variable are 4,5,7 and their frequencies are `p-2,p+1,p-1` respectively. If A.M. = 5.4 then find the value of p.

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 B Very short answer type question|16 Videos

  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 9|66 Videos

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Sample question for competitive exams (D. Assertion-Reason Type)|2 Videos

Similar Questions

Explore conceptually related problems

Find the value of .^7P_4

Find the value of .^9P_4

If p:q = 5:7 and p-q = -4 , then find the value of 3p+4q.

If a/2=b/3 =c/4 =(3a-ab+4c)/p , then find the value of p.

If P(A | B) = 1/4 , then what is the value of P(A^C/B) ?

If p(x + 1) = x + 4, then find the value of [p(1) + p(-1)] is

If the values of a variable are in G.P, then prove that A.M., G.M., H.M. of the values are also in G.P.

If p : q = 5 : 7 " and " p - q = - 4 , then find the value of (3p + 4q) .

If p(m)=m^(2)-3m+1 , then find the value of p(1) and p(-1) .

If "^9P_5+5*^9P_4=^(10)P_r , find the value of r .

CHHAYA PUBLICATION-Measures of Central Tendency -Exercise 2 A Very short answer type question
  1. The arithmetic mean of 7, x-2, 10, x+3 is 9 find x.

    Text Solution

    |

  2. If a variable x assumes two values 10 and 15 having same frequency fin...

    Text Solution

    |

  3. If three values of a variable are 4,5,7 and their frequencies are p-2,...

    Text Solution

    |

  4. In a binomial distribution mean is 4 and variance is 3 then find the m...

    Text Solution

    |

  5. The average mark obtained by 100 students is 40. But is was later foun...

    Text Solution

    |

  6. The A.M. of 20 frequencies is 30. At the time of verification it was f...

    Text Solution

    |

  7. If overline(x)=20, find overline(y), where (i) y=3x-15, (ii) y=2x+7

    Text Solution

    |

  8. Find the A.M. of the following frequency distribution :

    Text Solution

    |

  9. The no. of goals scored by a football team in the last 20 matches is g...

    Text Solution

    |

  10. The mean of the following frequency distribution is 117 pound. Find th...

    Text Solution

    |

  11. The marks obtained by 30 students in subject is given below. Find A.M.

    Text Solution

    |

  12. The dialy income of a group of people is given is given below. Find th...

    Text Solution

    |

  13. Find the mean of the following distribution.

    Text Solution

    |

  14. The frequency distribution of marks obtained by 100 students in an exa...

    Text Solution

    |

  15. The A.M. of the following frequency distribution is 72.5 , find the va...

    Text Solution

    |

  16. Find the missing frequencies from the following table. Given that A.M....

    Text Solution

    |

  17. Certain part of a frequency distribution is given, its mean is 1.46. F...

    Text Solution

    |

  18. Out of total population in a certain town in South Africa, 60% are Bla...

    Text Solution

    |

  19. The mean age of a combined group of men and women is 30 years. If the ...

    Text Solution

    |

  20. The mean weight of 150 students of a class is 38 kg. If mean weight of...

    Text Solution

    |