in Education by
An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with k additional balls of the same colour as that of the ball drawn. A ball is again drawn at random. Show that the probability of drawing a white ball now does not depend on k. Select the correct answer from above options

1 Answer

0 votes
by
 
Best answer
Given that an urn contains m white and n black balls. Let E1 = first ball drawn of white colour E2= first ball drawn of black colour And E3= second ball drawn of white colour Hence, the probability of drawing a white ball does not depend on k.

Related questions

0 votes
0 votes
0 votes
    Bag I contains 3 black and 2 white balls, Bag II contains 2 black and 4 white balls. A bag and a ball is ... of selecting a black ball. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
    An urn contains 5 white and 8 black balls. Two successive drawings of 3 balls at a time are made such that ... gives 3 black balls. Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
0 votes
0 votes
    A box has 5 blue and 4 red balls. One ball is drawn at random and not replaced. Its colour is also not ... of second ball being blue? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
0 votes
0 votes
    A bag contains 24 balls of which x are red, 2x are white and 3x are blue. A ball is selected at random. What ... not red? (ii) white? Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
0 votes
0 votes
    An urn contains 5 white and 8 black balls. Two successive drawings of 3 balls at a time are made such that ... gives 3 black balls. Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance
0 votes
    A bag contains 10 red, 5 blue and 7 green balls. A ball is drawn at random. Find the probability of this ball ... iii) not a blue ball Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
0 votes
0 votes
    A bag A contains 2 white and 2 red balls and another bag B contains 4 white and 5 red balls. A ball is drawn and ... \(\frac{25}{52}\) Select the correct answer from above options...
asked Nov 19, 2021 in Education by JackTerrance
...