Probability of Compound Events

Compound Probability

100

You have one green dice and one blue dice. What are the chances of getting a 5 on the green and a 3 on the blue dice?

1/36

200

There are 4 jacks in a deck of cards and 52 outcomes (4/52). There are 4 kings in a deck of cards and 52 outcomes (4/52). What is the probability of drawing a jack or a king from a deck of cards?

2/13

300

You have a 10-sided dice. There is 1 five and 10 outcomes. There are 5 odd numbers (1,3,5,7,9) and 10 outcomes. What is the probability of either rolling a 5 or an odd number on a 10-sided dice?

5/10 or 1/2

400

There are two jars. One jar has 2 red gumballs, 3 green gumballs, and 1 yellow gumball. The other jar has 2 balloons and 3 purple balloons. What is the probability of drawing a red gumball and a blue balloon?

2/15

500

You are flipping a coin and pulling a marble from a bag. There are 4 white marbles, 2 blue marbles, and 5 green marbles all of the same size in the bag. What is the probability the coin will land on heads and you pulling a green from the bag?

5/22

Compound Probability

100

What is the probability of getting either heads or tails?

50% or 1/2

200

You flip a coin three times. What is the probability that the coin lands heads up, tails up, then heads up?

1/8 or 12.5%

300

You have 1 bag with different same-sized chips. There are 4 blue chips, 5 red chips, and 3 black chips. What is the probability that she will pull a blue chip and without replacing the chip pull another blue chip?

1/11

400

You have a standard deck of 52 and a six-sided dice. What is the probability of pulling a diamond from the deck of cards and rolling a 4?

1/24

500

You have a cup with four $1 tokens and two $5  tokens in it. He also has $10 tokens and one $25 tokens in his pocket. You randomly draw a token from your cup and from your pocket. What is the probability that you will draw $26 in tokens?

2/9

Compound Probability

100

You could get heads or tails twice in a row and the chances would be 1/2. What are the odds of getting heads or tails twice in a row? 

25% or 1/4

200

There is a six-sided dice and rolled a number of times. (Numbers Rolled: 1-4 , 2-8 , 3-6 , 4-7, 5-7, 6-3) What is the probability of rolling a 2 or 3?

2/5

300

There are 4 blue marbles, 12 marbles in sample space (4/12). There are 2 black marbles, 12 marbles in sample space (2/12). What is the probability of choosing a blue marble and then a black marble?

1/18

400

There are two jars. One jar has 2 orange marbles and 3 red marbles. The other jar has 1 blue marble and 4 green marbles. If Jeff randomly draws a marble from each jar, what is the probability that you will draw a red marble and a green marble?

12/25

500

You have a clothing shop that has blue and green shirts. You have eight blue shirts and seven green shirts. Five of the blue shirts have stripes, and four of the green shirts have stripes. What is the probability that you will randomly choose a shirt that is blue or has stripes?

0.8