SHRUNGA

Marble probabilities

100

The probability of pulling a black marble is 8/19

What is the probability of pulling out a black marble in the following situation: In a bag you have 6 gray marbles, 2 white marbles, 8 black marbles and 3 blue marbles?

200

The probability of drawig all girls is 7/28

4/28 people from a classroom are chosen randomly to participate in a contest. If 1/4 of the class are girls and 3/4 are boys, what is the probability of drawing all girls?

300

The probability of losing his green marbles is 5/16

George has 18 marbles. He has 2 red, 4 black, 5 green, and 7 pink marbles. If he loses 1/2 of his black marbles what is the probability of losing all of his green marbles?

400

Yentruoc has a higher chance of pulling a red marble.

Sixela and Yentruoc each have six marbles. They each pull one marble out of a bag.If Sixela has 2 red marbles and 4 green marbles, and Yentruoc has 3 red and 3 green marbles, who has a higher chance of pulling a red one?

500

The probability of pulling out all the marbles except for the red ones is 18/24. (3/4 in lowest terms.)

Timothy has 6 marbles: 1 red, 3 black and 2 yellow. His friend Sixela has 10 marbles: 2 red, 4 blue, 1 pink and 3 purple. Timothy's friend, Yentruoc has 8 marbles: 2 green, 3 red and 3 purple. If they were to add their marbles together, what is the probability of pulling out all the marbles except for the red ones? (in lowest terms)

True or False

100

False. The chance of pulling a green olive is higher.

There is a jar of black and green olives. There are 20 green and 13 black. The chance of pulling a black olive is higher than pulling a green. True or False?

200

False. The probability of pulling a caramel is lower than pulling a chocolate.

If there is 4 candies in a bag, and 1 is caramel and the other three are chocolates the probability of pulling a caramel is higher than pulling a chocolate. True or False?

300

False. There is a higher probability of pulling the other kind of candy.

Kayla has a bag of candy. The probability of pulling out a certain kind of candy is a 4/16 chance of being pulled. Another kind has a 5/16 chance. The chance of pulling any other kind of candy has a higher chance then pulling the other two types of candies, True or False?

400

False. They have the same chance.

If there is 20 animals in a section of the zoo, and 1/4 of them are elephants, 1/4 of them are giraffes, and 2/4 of them are birds. The probability of running into a giraffe first is higher than running into a bird and an elephant.

500

True. The probability of pulling an "N" is higher than pulling a "C"

Chris and Sam are puling random letters out of a hat. There is one of every letter in the alphabet, and there is two of every second letter. The probability of pulling an "N" is higher than pulling a "C". True or False?

Higher or Lower

100

The chance of getting hit in the face with a Kite is lower than falling down stairs.

The chance of getting hit in the face with a kite is higher or lower than falling down stairs?

200

The probability of him playing a 2 token game is higher than him playing a 3 token game.

Tokens for an arcade are sold at 2 for 10 cents, 5 for 25 cents, and 10 for 50 cents. There are 3 games in the arcade, one costs 2 tokens, one costs 3 tokens, and the other costs 5 tokens. Peter wants to the largest amount of games he can using the least amount of tokens possible. He buys 25 tokens and has already played a 5 token game. The probability that he will play a 2 token game is higher or lower than the probability of him playing a 3 token game?

300

The ones with a lower cost have a higher chance of getting sold.

There is 4 types of juices on a grocery shelf. There is Mccains, Motts, Welches and Tropicana. If the juices with more than 5 letters in there name are a higher price, then the probability that the ones with a lower price have a higher or lower chance of being sold?

400

Green and red have a higher probablity of being bought.

Shelby wanted to paint her room two colors. She had to choose between red, green, blue, and orange. If blue and orange both cost $40.00 a can, and green and red cost $20.00 a gallon, which paint color has a higher probability of being bought?

500

Ralph has a higher chance of hitting the ground first.

Two construction workers are working on top of a building. The building is 200 meters high. The first construction worker, Ralph, is 150 meters high. The second construction worker, Tim, is only 100 meters high. If both construction workers fall at the same time, but Ralph falls at a speed of 20 meters per second, and Tim falls at a speed of 15 meters per second, who has a higher probability of hitting the ground first?