Making Predictions with Probability in 7th Grade Statistics

The video tutorial explains the concept of probability using a spinner with seven equally likely outcomes. It focuses on predicting the number of times an elephant will appear when the spinner is spun 210 times. The tutorial walks through calculating the probability of getting an elephant, which is 4/7, and discusses the variability in outcomes, emphasizing that predictions are not certainties. The video highlights the importance of understanding theoretical probability and its application in making reasonable predictions.

How many equally likely outcomes are there on the spinner?

• 6

• 8

• 7

• 5

Which animal appears the most on the spinner?

• Lion

• Monkey

• Mouse

• Elephant

What is the total number of spins we are predicting for?

• 210

• 200

• 150

• 100

How many times does the mouse appear on the spinner?

• 2

• 3

• 4

• 1

What is the probability of spinning an elephant in one spin?

• 3/7

• 4/7

• 2/7

• 1/7

How many outcomes involve spinning an elephant?

• 4

• 5

• 2

• 3

What is the expected number of times to spin an elephant in 210 spins?

• 130

• 120

• 110

• 100

What is 210 divided by 7?

• 35

• 30

• 25

• 20

Is it possible to get an elephant on all 210 spins?

• No, it's certain

• No, it's impossible

• Yes, but very unlikely

• Yes, it's very likely

What does the prediction of 120 elephants in 210 spins represent?

• An impossible event

• A reasonable expectation

• A guarantee

• An exact outcome