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### Brain Teasers : Alien Abduction Brain Teaser

##### By: Sal Khan

Saving Earth from becoming a mushroom farm.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Compound, independent events : LeBron Asks: What are the chances o...

##### By: Sal Khan, LeBron James

LeBron James asks Sal how to determine the probability of making 10 free throws in a row

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Old school probability (very optional) : Probability (part 2)

##### By: Sal Khan

Let's flip a coin.

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Compound, independent events : Getting At Least One Heads

##### By: Sal Khan

Probability of getting at least one heads in multiple flips of a fair coin

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Brain Teasers : Blue Forehead Room Solution

##### By: Sal Khan

Do not watch before Blue Forehead Room. THIS IS THE SOLUTION!

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Old school probability (very optional) : Probability (part 4)

##### By: Sal Khan

More on free throws.

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Brain Teasers : Path Counting Brain Teaser

##### By: Sal Khan

Counting paths in a square

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Old school probability (very optional) : Probability (part 3)

##### By: Sal Khan

More on probability.

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Compound, independent events : Example: Probability of rolling doubles

##### By: Sal Khan, Monterey Institute for Technology and Education

Thinking about the probability of rolling doubles on a pair of dice

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Brain Teasers : 3-D Path Counting Brain Teaser

##### By: Sal Khan

Extending the path counting to three dimensions

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Compound, independent events : Compound Probability of Independent...

##### By: Sal Khan

Probability of particular sequences of flips

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Brain Teasers : Liar Truth-teller Brain Teaser

##### By: Sal Khan

How to get correct advice when you can only ask one question from either a liar or a truth-teller (when you don't know who is what)

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Old school probability (very optional) : Probability (part 6)

##### By: Sal Khan

Introduction to conditional probability

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Compound, independent events : Example: Rolling even three times

##### By: Sal Khan, Monterey Institute for Technology and Education

Another example showing the probability of rolling an even number three times in a row.

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Compound, independent events : LeBron Asks: What are the chances o...

##### By: Sal Khan, LeBron James

LeBron James asks Sal Khan if it is easier to make three free throws or one three-pointer.

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Compound, independent events : Frequency Probability and Unfair Coins

##### By: Sal Khan

A different way of thinking about probability when we don't have equally likely events

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Brain Teasers : Forehead Numbers Brain Teaser

##### By: Sal Khan

The perfect logicians are at it again.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Old school probability (very optional) : Probability (part 7)

##### By: Sal Khan

More on conditional probability. Touch on Bayes' Theorem.

Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

### Brain Teasers : Toggler Brain Teaser

##### By: Sal Khan

Separating the truthteller from the togglers!

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Brain Teasers : Light Bulb Switching Brain Teaser

##### By: Sal Khan

Turning light bulbs on and off.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

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