A bag containing marbles has 4 red, 5 green and 6 yellow marbles. What is the probability of selecting a red marble and a green marble? You do not replace the marbles after each selection.

You randomly select one card from a 52-card deck. Find the probability of selecting a seven or a six.

Jelany has a jar of beads with all different colors. There is a total of 80 beads and 35 of them are red. Sofia removes one bead at a time without replacing them. She realizes that the probability of choosing a red then a yellow marble is 420/6320. How many yellow beads are in the jar?

Harry has 2 blue pens, 2 black pens and 4 red pens in his box. He picks one pen and records it's color he then puts it back in the box and draws another pen. What is the probability of taking out a red pen followed by the blue pen?

Julio rolls a 6 sided red die and a 6 sided black die, if the red die lands on 3 and the sum of the 2 die is greater than 5. Julio wins a point. Determine the probability that Julio will win a point.

You randomly select one card from a 52-card deck. Find the probability of selecting the five of hearts or eight of diamonds.

In the US Congress, the Senate consists of 13 women and 87 men. The President randomly selects members of the Senate to sit in on his meetings. What is the probability of selecting 3 consecutive women? After selecting each person, you do not place them back in the selection pool.

A bag of marbles contains 4 red, 3 blue, 2 green and 1 yellow marble.  Half of the red and green marbles are glass, and all of the other marbles are polished stone.  What is the probability of selecting: Add the colors together to determine how many marbles are in the bag.  This will become the right side of the answer.  Determine how many marbles exactly fit the specified criteria to find the left side.  Remember to reduce if necessary. A yellow stone marble:  Ratio: ____ : ____ A blue or green stone marble: Ratio:  _____ : _____ Two red marbles in a row without replacement: Ratio:  _____ : _____ Three glass marbles in a row with replacement:  Ratio: _____ : _____

The probability of winning on a slot machine is 8%.  If a person plays the machine 300 times, find the probability of wining at most 20 times.

A bag of marbles contains 4 red, 3 blue, 2 green and 1 yellow marble.  Half of the red and green marbles are glass, and all of the other marbles are polished stone.  What is the probability of selecting: Add the colors together to determine how many marbles are in the bag.  This will become the right side of the answer.  Determine how many marbles exactly fit the specified criteria to find the left side.  Remember to reduce if necessary. A yellow stone marble:  ____ : ____ A blue or green stone marble:  _____ : _____ Two red marbles in a row without replacement:  _____ : _____ Three glass marbles in a row with replacement:  _____ : _____