7. Two marbles are drawn without replacement from a jar with 4 black and 3 white...

Question

Question

math algebra

Answer 1

Answer #1

y Black, 3 white Total mas bles ラー 2. 7 2 少! ANSWER

Answer 2

Similar Homework Help Questions

Two marbles are drawn randomly one after the other without replacement from a jar that contains...

Two marbles are drawn randomly one after the other without replacement from a jar that contains 4 red marbles, 2 white marbles, and 7 yellow marbles. Find the probability of the following events. (a) A red marble is drawn first followed by a white marble. The probability is : (b) A white marble is drawn first followed by a white marble. The probability is : (c) A yellow marble is not drawn at all. The probability is :
Two marbles are drawn randomly one after the other without replacement from a jar that contains...

Two marbles are drawn randomly one after the other without replacement from a jar that contains 3 red marbles, 9 white marbles, and 3 yellow marbles. Find the probability of the following events. (a) A red marble is drawn first followed by a white marble. The probability is : 27/210 (b) A white marble is drawn first followed by a white marble. The probability is : 72/210 (c) A yellow marble is not drawn at all. The probability is :...
A jar contains black and white marbles. There are four more black marbles than white marbles....

A jar contains black and white marbles. There are four more black marbles than white marbles. Two marbles are drawn from the jar at random. If the probability that the two marbles are the same color is equal to the probability that the two marbles are different colors, how many marbles are in the bag?

1. A jar contains 3 black and 2 white marbles. We continue to draw marbles one...

1. A jar contains 3 black and 2 white marbles. We continue to draw marbles one at a time until two black marbles are drawn. If a white marble is drawn, the outcome is recorded, and the marble is put back in the jar before drawing the next marble. What is the probability that we will get exactly two black marbles in at most three tries? Do this problem using a tree diagram! (2 marks)
Total Mar bles 50 A jar contains 15 white marbles, 16 red marbles, and 19 black...

Total Mar bles 50 A jar contains 15 white marbles, 16 red marbles, and 19 black marbles. If three marbles are selected at random without replacement. Find the following probabilities. 9) a. b. c. All three marbles are black. One of each type is selected. Two white marbles and one black marble are selected
Two balls are chosen from an urn without replacement. 3 are black and 4 are white....

Two balls are chosen from an urn without replacement. 3 are black and 4 are white. Find a) the probability that both of the balls are the same color b) given that at least one of the balls is white, what is probability that the other ball is white?

A box contains 12 white and 8 black marbles. Two balls are drawn out randomly from...

A box contains 12 white and 8 black marbles. Two balls are drawn out randomly from the box without replacement. Let X denote the number of white balls drawn out. a. Construct the probability distribution of X. b. Find mean and variance of X using the following formula ? = E (X) = ∑ ? . ?(?) ? ?(?2) = ∑ ?2 . ?(?) ? ?2 = ???(?) = ?(?2) − (?)2
a) Two balls are drawn without replacement from an urn containing 12 balls, of which 7...

a) Two balls are drawn without replacement from an urn containing 12 balls, of which 7 are white and 5 are black. Find the probability that: (i) Both balls will be white (ii) Both balls will be the same color (iii) At least one of the balls will be white b) Repeat part (a) but with the balls drawn with replacement
A jar has 8 red marbles and 2 green marbles. a. If two marbles are taken...

A jar has 8 red marbles and 2 green marbles. a. If two marbles are taken out without replacement, what is the probability that both marbles are green? b. If two marbles are taken out without replacement, what is the probability that the second marble is red? c. If two marbles are taken out without replacement, what is the probability that the first marble is red, given that the second marble is green? d. If three marbles are taken out...

A cookie jar has 3 red marbles and 1 white marble. A shoebox has 1 red...

A cookie jar has 3 red marbles and 1 white marble. A shoebox has 1 red marble and 1 white marble. Three marbles are chosen at random without replacement from the cookie jar and placed in the shoebox. Then 2 marbles are chosen at random and without replacement from the shoebox. What is the probability that both marbles chosen from the shoebox are red?