by Dan Meyer

• 1. Guess how many of those packs will have exactly one yellow Starburst, Two yellow Starbursts.
• 2. For each guess, write down answers you know are too high. Too low.

• video — Starburst mountain

• 3. What information will you need to get an answer?

• image — the possible Starburst colors
• image — the exact number of Starburst packs

• 4. What assumptions about Starbursts are built into your answer?
• 5. How would knowing the frequency of Starburst colors in this sample change your answer?

• image — the frequency of Starburst colors

• video — the answer
• image — the frequency of every possible pair

• 6. How close was your guess to the actual answer? How close was your math? Calculate the percent error for each.