SOLUTION: Two marbles are to be picked at random from a box containing only red and black marbles. What is the probability that both are red? Statement 1: The probability of the firs

Question 1090078: Two marbles are to be picked at random from a box containing only red and black marbles. What is the probability that both are red?
Statement 1: The probability of the first marble being black is 1/3.
Statement 2: There are 24 red marbles in the box.
Which of the statements above make it possible to answer the question?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Statement 1.
If you know that the probability of first marble being black, you know that the probability of first marble being red since there are only red or black marbles.

RELATED QUESTIONS
A box contains 6 red marbles, 10 white marbles, 18 blue marbles and 5 black marbles. What (answered by howcutegirl)

A box contains 12 red marbles, 7 green marbles, and 9 black marbles. A sample of 9... (answered by stanbon)

a box contains 10 marbles 7 of which are black and 3 are red . if 3 marbles is drawn at... (answered by ewatrrr,ikleyn)

please help me. There are 6 black marbles, 6 white marbles, and 7 red marbles in a bag.... (answered by ikleyn)

If 4 marbles are drawn at random all at once from a bag containing 8 white and 6 black (answered by DrBeeee)

A bag contains 5 blue marbles, 6 red marbles, and 9 green marbles. Two marbles are drawn... (answered by stanbon)

A box contains 9 red marbles, 8 green marbles, 5 yellow marbles, and 2 blue marbles. If 3 (answered by ewatrrr)

A bag contains 5 red marbles, 10 white marbles, and 6 blue marbles. You draw 5 marbles... (answered by scott8148)

A bag contains 5 red marbles, 5 white marbles, and 8 blue marbles. You draw 4 marbles out (answered by Alan3354)