MCA Probability Practice

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, and 5 strawberry. What is the probability of drawing a lemon?

• 3

• 1/10

• 3/10

• 30%

A bag has 3 red marbles, 2 blue, and 4 yellows. What is the theoretical probability of pulling a red marble from the bag?

• 3/10

• 1/9

• 1/3

• 2/9

What is the theoretical probability of rolling an even number on a 6-sided die?

• 1/6

• 1/3

• 1/2

• 5/6

You pick a marble from this bag. If you choose a black marble, you win. What is the probability of winning?

• 3/10

• 1/3

• 2/5

• 1/10

A store sells blue, white, green, and black t-shirts. The sizes of the shirts are small, medium, and large. How many different t-shirt options does the store offer?

• 3

• 4

• 7

• 12

Tom has 2 cans of tomato soup, 1 can of chicken soup, and 1 can of vegetable soup. He picks 1 can without looking. What is the probability he picks and can of tomato soup?

• 1/4

• 1/2

• 1/3

• 3/4

Luke has a deck of cards with 10 red cards and 10 black cards.

He removes 1 red card and 2 black cards from the deck.

Luke then picks 1 card from the deck.

What is the probability that the card is black?

• 8/17

• 9/17

• 9/20

• 8/20

Kevin had red & green candy in a bag. Without looking, he picked1 piece from the bag, recorded the color, and put it back in the bag. He did this 10 times.

What is the experimental probablity of picking a red piece of candy from the bag?

• 1/10

• 1/3

• 3/10

• 3/7

A teacher randomly picks prizes for a game.

She has 12 pens, 6 bracelets, and 7 puzzles for prizes.

What is the probability, as a decimal, that the first prize she will pick is a bracelet?

• 0.24

• 0.6

• 0.06

• 0.32

The game of Uno has 40 cards.

Of those cards, there are 4 reverse cards in the deck.

What is the probability of picking a reverse card?

• 10%

• 4%

• 40%

• 1%