Conditional probability

What you'll learn

1. 1

   Imagine you have a bag of 10 sweets: 6 red and 4 blue. If you pick one, the chance of red is 6 out of 10. But what if you already ate one red one? 🍬

2. 2

   You have 6 red and 4 blue sweets. You eat one red one. How many red sweets are left? 🍬

3. 3

   Drag the sweets to show what's left after you take one red one out. 🎯

4. 4

   Let's find the probability of picking a blue sweet AFTER you've eaten one red one. 📝

5. 5

   You have 5 red and 4 blue sweets left. What's the probability of picking a blue sweet? 🌟

6. 6

   Now try this: start with 8 red and 2 blue sweets. Eat one blue one. Drag to show the new mix, then tap the correct probability. 🎲

7. 7

   After eating one blue from 8 red + 2 blue, what's the probability of picking a red? 🎯