Probability
Predictions
Vocabulary
100

Maria is flipping a coin.  What is the probability the coin will land on heads?

1/2, 0.5, or 50%?

100

If you flip a coin 10 times, about how many times should it land on heads?

5

100

The chance that an event will occur is...

probability

200

The classic wood carousel at Carousel Park in Hampton, VA has 32 horses and 16 of them are standing horses. What is the probability of randomly selecting a standing horse?

16/32 or 1/2 or 50%

200

You have a spinner with four equal sections that are blue, red, green, and yellow. If you spin it 100 times, about how many times should you land on yellow?

25 times

200

The number of outcomes in an experiment is called...

Sample Space

300

What is the probability of rolling a number greater than 2 with a standard number cube?

4/6 or 2/3

300

Trent has 30 marbles in a bag. The probability of choosing a green or blue marble is 1/2. How many marbles are blue or green?

15 blue or green marbles

400

There are 4 red marbles, 3 green marbles, and 1 yellow marble in a box. One marble is taken out of the box. What is the probability that the marble is red or yellow? 

5/8

500

Jarvonya spins a spinner with 5 equal sections numbered 1-5. What is the probability she will spin and land on an even number?

2/5

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