Maths
A box contains 3 red and 7 white balls .one ball is drawn at random and in its placea b a ball of the other colour is put in the box .now one ball is drawn at random from the box ,find the probability that it is red
Homework Answers
Maths
A bag contains 8 balls, identical except for colour of which 5are red and 3 white. A man draws two balls at random one after anotherwithout replacement. What is the probability one of the balls drawn iswhite and other red ?What would be the value of these probabilities if a ball drawn isreplaced before another ball is drawn.
Box 1 contains a red balls and b white balls. Box 2 contains c red balls...
Box 1 contains a red balls and b white balls. Box 2 contains c red balls and d white balls. One ball is randomly drawn from Box 1 and put into Box 2, and then one ball is randomly drawn from Box 2 and put back in Box 1. Finally, one ball is drawn at random again from Box 2. Let X denote the number of red balls drawn from Box 2 the 2nd time. Write down the distribution of...
Box A contains 1 red and 3 white balls, Box B contains 2 red and 2...
Box A contains 1 red and 3 white balls, Box B contains 2 red and 2 white balls, and Box C contains 3 red and 1 white ball. Box A is selected with probability 3/6, Box B with probability 2/6 and Box C with probability 1/6. A box will be selected and then a ball drawn. What is the probability that if a red ball is drawn, that it came from Box B?
(5) A box contains 4 red and 6 white balls. If two balls are drawn at...
(5) A box contains 4 red and 6 white balls. If two balls are drawn at random without replacement, find the probability that one of the two is red (6) A box contains 4 red and 6 white balls. If two balls are drawn at random with replacement, find the probability that one of the two is red
An urn contains 7 white, 3 red and 10 black balls. If five balls are drawn...
An urn contains 7 white, 3 red and 10 black balls. If five balls are drawn at random, find the probability that at least one red ball is selected.
A ball is drawn randomly from a jar that contains 4 red balls, 3 white balls,...
A ball is drawn randomly from a jar that contains 4 red balls, 3 white balls, and 2 yellow ball. Find the probability of the given event. (a) A red ball is drawn; The probability is : (b) A white ball is drawn; The probability is : (c) A red or white ball is drawn; The probability is :
Problems 9 and 10 A box contains 2 red balls, 3 white and 1 blue balls....
Problems 9 and 10 A box contains 2 red balls, 3 white and 1 blue balls. Three balls are selected at random without replacement Find the probability that at most one ballis red. (C) 00.2 01 O 0.6 0.12 0.8 Question 10 2 pts A box contains 2 red balls, 3 white and 1 blue balls. Three balls are selected at random without replacement Find the probability that {at most one ball is red (C) given that at least one...
One bag contains 4 white and 2 black balls. Another contains 3 white and 5 black balls. One ball is drawn from each bag. Find the probability that both are of same colour.
One bag contains 4 white and 2 black balls. Another contains 3white and 5 black balls. One ball is drawn from each bag. Find theprobability that both are of same colour.
One of two urns is chosen at random with one just as likely to be chosen...
One of two urns is chosen at random with one just as likely to be chosen as the other. Then a ball is withdrawn from the chosen urn. Urn 1 contains 5 white and 2 red balls, and urn 2 has 4 white and 3 red balls. If a white ball is drawn, what is the probability that it came from urn 1?
Bag A contains two balls, one red and one white and Bag B contains two white...
Bag A contains two balls, one red and one white and Bag B contains two white balls. A bag is selected at random, and one ball is taken at random from that bag. If the selected ball is white, what is the probability that the other ball in the bag is red? Give your answer as a fraction in its simplest form.
(5) A box contains 4 red and 6 white balls. If two balls are drawn at random without replacement, find the probability that one of the two is red (6) A box contains 4 red and 6 white balls. If two balls are drawn at random with replacement, find the probability that one of the two is red
Problems 9 and 10 A box contains 2 red balls, 3 white and 1 blue balls. Three balls are selected at random without replacement Find the probability that at most one ballis red. (C) 00.2 01 O 0.6 0.12 0.8 Question 10 2 pts A box contains 2 red balls, 3 white and 1 blue balls. Three balls are selected at random without replacement Find the probability that {at most one ball is red (C) given that at least one...
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