In Scratch code

• Explore the link between coding and probability.
• Change the Scratch code to create your own versions.
• See below for Scratch Version 3 - Probability.

Math overview

Code - play with the Scratch code

• Use the slider in the Output screen to change the value of Number Of Tosses
• What is the difference in the shape of the graphs when the value of Number Of Tosses is small (say 5) compared to when it's larger (say 30)
• Why are the three bars not approximately equal in height?

Output

• Why is the Heads/Tails (H/T) bar usually taller than the other two?
• Shouldn't all three bars be approximately the same height?

See more Scratch versions

• Version 1 - 1 coin is tossed - table output (no bar graph)
• Version 2 - 2 coins are tossed - table output (no bar graph)