probability

among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is known that he has failed in maths

  1. 👍 0
  2. 👎 0
  3. 👁 289
asked by hhhh
  1. Please give answer

    1. 👍 0
    2. 👎 0
    posted by Sachin

Respond to this Question

First Name

Your Response

Similar Questions

  1. statistics

    among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he

    asked by hhhh on October 27, 2010
  2. IGNOU probability

    Among the examinees in an examination 30%, 35% and 45% failed in Statistics, in Mathematics, and in at least one of the subjects respectively. An examinee is selected at random. Find the probabilities that a. He failed in

    asked by Dharmenra on October 15, 2010
  3. Maths

    Among the examinees in an examination 30%, 35% and 45% failed in Statistics, in Mathematics, and in at least one of the subjects respectively. An examinee is selected at random. Find the probabilities that a. He failed in

    asked by Neeraj Bhanot on October 9, 2010
  4. Math

    In an examination of a certain class, at least 70% of the students failed in Physics, at least 72% failed in Chemistry, at least 80% failed in Mathematics and at least 85% failed in English. How many at lest must have failed in

    asked by A on May 26, 2017
  5. mathematical methods for economics

    in a class of 300 students,they were given mathematics test in three subjects namely,economics,statistics and mathematics,90 students failed in economics,100 failed in statistics,96 failed in mathematics,60 failed in economics and

    asked by sonu on November 21, 2016
  1. Mathematics

    In an examination conducted for 60 candidates,the number of candidate who passed in Maths is 15 more than those who passed science and 7 failed both subject 12 candidates passed both subject 1.Draw a Venn diagram to illustrate

    asked by Bobby Osei Kusi on January 15, 2019
  2. Maths

    in an examination 50% of the studentspassedin mathematics and 70% of studentspassed in science while 10 % students failed in both subjects .300 students passed in at leastone subject .find total number of students who appeared in

    asked by Set launguage on June 25, 2018
  3. math

    In a recent civil service examination, 1/8 of the candidates failed the first part of the test.Of those eligible to take the second part of the competive examination, 2/7 successfully passed.What part of the original candidates

    asked by peter on May 22, 2014
  4. maths

    I am really facing difficulty in maths. I do my best to improve in maths but after entering in the examination hall during my exams, i just get confused. please help The proper name for the subject is mathematics or just "math"

    asked by devendri on June 14, 2006
  5. maths

    52% of students failed in english 48% failed in maths 17% failed in both what is the percent of students passed in both??

    asked by Barka Saleem on July 24, 2017

More Similar Questions