Probability

Bullet-ed Probability

100

You have a dice. It has numbers 1-6. Find the favorable outcomes of the event.

1. Rolling a 5

2. Rolling an even number

3. Rolling an odd number

4. Rolling and odd number less than 5

1. 1/6

2. 3/6

3. 3/6

4. 2/6

200

You have shapes in a bag. The shapes you have are 5 squares, 3 stars, 2 hearts, and 4 circles. Find the favorable outcomes of the event.

1. Choosing a star

2. Choosing not a circle

3. Choosing a heart

4. Choosing not a square

1. 3/14

2. 11/14

3. 2/14

4. 10/14

300

You randomly choose a number 1-10. Find the favorable outcomes of the event.

1. Choosing a 8

2. Choosing not a 5

3. Choosing a even number less than 9

4. Choosing an odd number greater than 3

1. 1/10

2. 5/10

3. 4/10

4. 3/10

400

You have two dices, both with numbers 1-8. Find the favorable outcomes of the event.

1. Rolling a 6 and a 7

2. Rolling a 9 and a 10

3. Rolling a 4 and a 7

4. Rolling both 5's

1. 1/16

2. 0

3. 3/16

4. 1/16

500

You have two bags of shapes. Each bag of shapes have 2 squares, 3 triangles, and 1 circle. Find the favorable outcome of the the event.

1. Choosing a square and a circle

2. Choosing a triangle and a square

1. 3/12

2. 5/12

Word Problems

100

Your basketball team has an 81% chance of winning a game. Your team is scheduled 13 games. Estimate how many games your team will win.

Your team would win about 11 games.

200

If you flip three fair coins, what is the probability that you'll get a head on the first flip, a tail on the second flip, and another head on the third flip?

8 or 1/8

300

You've decided you want a plant for your room. At the gardening store, there are 4 different kinds of plants (tulip, fern, cactus, and ficus) and 4 different kinds of pots to hold the plants (clay pot, plastic pot, metal pot, and wood pot). If you randomly pick the plant and the pot, what is the probability that you won't get a clay pot or a cactus?

9 out of 16

400

If you flip three fair coins, what is the probability that you'll get heads on the first two flips and tails on the last flip?

1/8

500

If you roll two fair six-sided dice, what is the probability that the sum is 9 or higher?

5/18=10/36

Simple Probability

100

A die is rolled, find the probability that an even number is obtained.

1/6

200

Two coins are tossed, find the probability that two heads are obtained.

1/4

300

Two dice are rolled, find the probability that the sum is a) equal to 1.

A. Equal to 4

B. Less than 13

B.

400

A die is rolled and a coin is tossed, find the probability that the die shows an odd number and the coin shows a head.

1/4

500

A card is drawn at random from a deck of cards. Find the probability of getting the 3 of diamond

1/52