Ask a Question

Two marbles are drawn successively from a box containing 3 black and 4 white marbles.

in Education by
Two marbles are drawn successively from a box containing 3 black and 4 white marbles. Find the probability that both the marbles are black, if the first marble is not replaced before the second draw. Select the correct answer from above options

1 Answer

0 votes
by
 
Best answer
It is given that a box contains 3 black and 4 white marbles where each trial is independent of the other Sample space S = {1B, 2B, 3B, 1W, 2W, 3W, 4W} Consider success marble drawn is black = 3/7 So the probability of success in the first trial P1 (success) = 3/7 Consider probability of success in the second trial without replacement of the first draw P2 (success) = 2/6 So the probability that both the marbles drawn are black, with each trial being independent

Related questions

0 votes
Q: Two marbles are drawn successively from a box containing 3 black and 4 white marbles. Find the probability that both the marbles are black
    Two marbles are drawn successively from a box containing 3 black and 4 white marbles. Find the probability that ... the second draw. Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance
0 votes
Q: There are three urns containing 2 white and 3 black balls, 3 white and 2 black balls, and 4 white and 1 black balls, respectively.
    There are three urns containing 2 white and 3 black balls, 3 white and 2 black balls, and 4 white and 1 black ... from the second urn. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Two balls are drawn from an urn containing 2 white; 3 red and 4 black balls one by one without replacement. What is the probability that at least one
    Two balls are drawn from an urn containing 2 white; 3 red and 4 black balls one by one without replacement. What is the ... 2 3 D. 5 8 Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
Q: A box B1 contains 1 white ball, 3 red balls and 2 black balls. Another box B2 contains 2 white balls, 3 red balls and 4 black balls.
    A box B1 contains 1 white ball, 3 red balls, and 2 black balls. Another box B2 contains 2 white balls, 3 red ... (\frac{55}{181}\) Select the correct answer from above options...
asked Nov 19, 2021 in Education by JackTerrance
0 votes
Q: There are two bags, one of which contains 3 black and 4 white balls while the other contains 4 black and 3 white balls.
    There are two bags, one of which contains 3 black and 4 white balls while the other contains 4 black and 3 ... choosing a black ball. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A bag contains 5 red marbles and 3 black marbles. Three marbles are drawn one by one without replacement.
    A bag contains 5 red marbles and 3 black marbles. Three marbles are drawn one by one without replacement. What is ... marble is red? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A bag contains 10 white and 15 black balls. Two balls are drawn in succession without replacement.
    A bag contains 10 white and 15 black balls. Two balls are drawn in succession without replacement. What is the ... second is black? Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
0 votes
Q: There are four boxes, A,B,C and D, containing marbles. A contains 1 red, 6 white and 3 black
    There are four boxes, A,B,C and D, containing marbles. A contains 1 red, 6 white and 3 black marbles; B ... drawn from the box A? Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance
0 votes
Q: There are two bags. One bag contains 4 white and 2 black balls. Second bag contains 5 white and 4 black balls.
    There are two bags. One bag contains 4 white and 2 black balls. Second bag contains 5 white and 4 black balls. ... that it is white. Select the correct answer from above options...
asked Nov 19, 2021 in Education by JackTerrance
0 votes
Q: A box contains 4 white and 5 black balls. A ball is drawn at random and its colour is noted. A ball is then put back in the box along with two additio
    A box contains 4 white and 5 black balls. A ball is drawn at random and its colour is noted. A ball is then put ... . 53 99 D. 48 99 Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
Q: An urn contains 5 white and 8 black balls. Two successive drawings of 3 balls at a time are made such that
    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
Q: Bag I contains 3 black and 2 white balls, Bag II contains 2 black and 4 white balls. A bag and a ball is selected at random.
    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
Q: Two cards are drawn successively without replacement from a well shuffled deck of cards.
    Two cards are drawn successively without replacement from a well shuffled deck of cards. Find the mean and standard ... of aces. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Box A contains 2 black and 3 red balls, while box B contains 3 black and 4 red balls.
    Box A contains 2 black and 3 red balls, while box B contains 3 black and 4 red balls. Out of these two boxes ... has come from box B. Select the correct answer from above options...
asked Nov 19, 2021 in Education by JackTerrance
0 votes
Q: If from each of the three boxes containing 3 white and 1 black, 2 white and 2 black, 1 white and 3 black balls, one ball is drawn at random, then the
    If from each of the three boxes containing 3 white and 1 black, 2 white and 2 black, 1 white and 3 black balls, one ... . 1 32 D. 3 16 Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance

© Copyright 2018-2023 www.Blogmepost.com. All rights reserved. Developed by Blogmepost.

...