Ask a Question

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.

in Education by
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. Determine the probability of selecting a black ball. Select the correct answer from above options

1 Answer

0 votes
by
 
Best answer
Given that: Bag 1 has 3B, 2W balls and Bag 2 has 2B, 4W balls. Let E1 = The event that bag 1 is selected E2 = The event that bag 2 is selected And, E = The event that a black ball is selected Now, the probabilities are: Therefore, the required probability is 7/15.

Related questions

0 votes
Q: A bag contains 24 balls of which x are red, 2x are white and 3x are blue. A ball is selected at random. What is the probability that it is
    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
Q: A bag contains 4 white balls, 5 red balls, 2 black balls and 4 green balls. A ball is drawn at random from the bag. Find the probability that it is (i
    A bag contains 4 white balls, 5 red balls, 2 black balls and 4 green balls. A ball is drawn at random from ... ) neither red nor green. Select the correct answer from above options...
asked Nov 17, 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: 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 is found to be red
    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
0 votes
Q: 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
    An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with ... does not depend on k. Select the correct answer from above options...
asked Nov 20, 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 bag contains white, black and red balls only. A ball is drawn at random from the bag. If the probability of getting a white ball is `3/10` and that
    A bag contains white, black and red balls only. A ball is drawn at random from the bag. If the probability of ... red balls is `15.` Select the correct answer from above options...
asked Nov 17, 2021 in Education by JackTerrance
0 votes
Q: There are two I and II. The bag I contains 3 white and 4 black balls, and bag II contains 5 white and 6 black
    There are two I and II. The bag I contains 3 white and 4 black balls, and bag II contains 5 white and 6 ... drawn from the bag I. Select the correct answer from above options...
asked Nov 17, 2021 in Education by JackTerrance
0 votes
Q: A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement the probability of getting exactly one red ball is
    A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement the probability of getting ... /56 D. 15/29 Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A bag contains 4 white and 5 black balls. Another bag contains 9 white and 7 black balls.
    A bag contains 4 white and 5 black balls. Another bag contains 9 white and 7 black balls. A ball is ... ball drawn is white. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A bag A contains 4 green and 3 red balls and bag B contains 4 red and 3 green balls. One bag is taken at random and
    A bag A contains 4 green and 3 red balls and bag B contains 4 red and 3 green balls. One bag is taken at random ... \(\frac{1}{3}\) Select the correct answer from above options...
asked Nov 19, 2021 in Education by JackTerrance
0 votes
Q: An urn contains 9 red, 7 white and 4 black balls. If two balls are drawn at random, find the probability that: (i) both the balls are red,(ii) one bal
    An urn contains 9 red, 7 white and 4 black balls. If two balls are drawn at random, find the probability that ... white and other red. Select the correct answer from above options...
asked Nov 15, 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 10 red, 5 blue and 7 green balls. A ball is drawn at random. Find the probability of this ball being a
    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
Q: Let U1 and U2 be two urns such that U1 contains 3 white and 2 red balls, and U2 contains only 1 white ball.
    Let U1 and U2 be two urns such that U1 contains 3 white and 2 red balls, and U2 contains only 1 white ball. A ... \(\frac{12}{23}\) Select the correct answer from above options...
asked Nov 19, 2021 in Education by JackTerrance

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

...