Probability Making Predictions

A number cube is rolled 24 times.

What is the best prediction for the number of times it will land on 5?

• 3 times

• 4 times

• 5 times

• 6 times

What is the best prediction for the number of times it will land on a number greater than 4?

• 5 times

• 8 times

• 10 times

• 15 times

Tina randomly selected a paper clip, records its color, and returns it to the box.

She does this 30 times. How many times should she expect to get a blue paper clip?

• 4 times

• 5 times

• 6 times

• 7 times

How many times should he expect it to not land on yellow?

• 7 times

• 6 times

• 28 times

• 27 times

• 100
• 150
• 200
• 250

A reasonable mathematical guess that something is about to happen

• Probability

• Compound Event

• Prediction

• Sample Space

Answer explanation

A reasonable mathematical guess that something is about to happen is called a Prediction.

If you were to roll a 6-sided die 72 times, how many times would you predict to get a 5?

• 12

• 36

• 1

• 6

• 24

Answer explanation

1/6 = x/72

Tags

6.4.1.4

6.4.1.3

• 153

• 140

• 147

• 124

• 124
• 224
• 324
• 424

The following table shows the results of a survey in which 50 people were asked to name their favorite sport.
Based on these results, how many people out of 1000 would you expect to pick soccer as their favorite sport?

• 240

• 120

• 250

• 225