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### Permutations and combinations : Permutations

##### By: Sal Khan

Introduction to permutations

Basics of probability and combinatorics. If want to display your Chuck Norris dolls on your desk at school and there is only room for five of them. Unfortunately, you own 50. How many ways can you pick the dolls and arrange them on your desk? What if you

### Dependent events : Introduction to dependent probability

##### By: Sal Khan

Deciding whether you want to play a game at a strange casino.

Basics of probability and combinatorics. What's the probability of picking two e from the bag in scrabble (assuming that I don't replace the tiles). Well, the probability of picking an 'e' on your second try depends on what happened in the first (if you

### Dependent events : Example: Bag of unfair coins

##### By: Sal Khan

Example where the probability of an outcome is dependent on which coin you happen to pick

Basics of probability and combinatorics. What's the probability of picking two e from the bag in scrabble (assuming that I don't replace the tiles). Well, the probability of picking an 'e' on your second try depends on what happened in the first (if you

### Probability using combinatorics : Example: All the ways you can fl...

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

Manually going through the combinatorics to determine the probability of an event occuring

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Permutations and combinations : Example: Ways to pick officers

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

How many ways can we pick officers for our organization?

Basics of probability and combinatorics. If want to display your Chuck Norris dolls on your desk at school and there is only room for five of them. Unfortunately, you own 50. How many ways can you pick the dolls and arrange them on your desk? What if you

### Venn diagrams and the addition rule : Probability with Playing Car...

##### By: Sal Khan

Probability of compound events. The Addition Rule. Common Core Standard 457 S-CP. 7

Basics of probability and combinatorics. What is the probability of getting a diamond or an ace from a deck of cards? Well I could get a diamond that is not an ace, an ace that is not a diamond, or the ace of diamonds. This tutorial helps us think these t

### Permutations and combinations : Example: Ways to arrange colors

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

Thinking about how many ways you can pick four colors from a group of 6

Basics of probability and combinatorics. If want to display your Chuck Norris dolls on your desk at school and there is only room for five of them. Unfortunately, you own 50. How many ways can you pick the dolls and arrange them on your desk? What if you

### Dependent events : Example: Dependent probability

##### By: Sal Khan

Thinking about how the probability of an event can be dependent on another event occuring.

Basics of probability and combinatorics. What's the probability of picking two e from the bag in scrabble (assuming that I don't replace the tiles). Well, the probability of picking an 'e' on your second try depends on what happened in the first (if you

### Probability using combinatorics : Getting Exactly Two Heads (Combi...

##### By: Sal Khan

A different way to think about the probability of getting 2 heads in 4 flips

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Probability using combinatorics : Example: Different ways to pick ...

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

Thinking about the different ways we can pick officers in order to find the probability of one situation in particular.

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Probability using combinatorics : Example: Probability through cou...

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

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Probability using combinatorics : Exactly Three Heads in Five Flips

##### By: Sal Khan

Probability of exactly 3 heads in 5 flips using combinations

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Venn diagrams and the addition rule : Addition Rule for Probability

##### By: Sal Khan

Venn diagrams and the addition rule for probability

Basics of probability and combinatorics. What is the probability of getting a diamond or an ace from a deck of cards? Well I could get a diamond that is not an ace, an ace that is not a diamond, or the ace of diamonds. This tutorial helps us think these t

### Dependent events : Example: Is an event independent or dependent?

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

Independent Events 1

Basics of probability and combinatorics. What's the probability of picking two e from the bag in scrabble (assuming that I don't replace the tiles). Well, the probability of picking an 'e' on your second try depends on what happened in the first (if you

### Probability using combinatorics : Probability using Combinations

##### By: Sal Khan

Probability of getting exactly 3 heads in 8 flips of a fair coin.

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Probability using combinatorics : Mega Millions Jackpot Probability

##### By: Sal Khan

Probability of winning the Mega Millions jackpot

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Probability using combinatorics : Probability and Combinations (pa...

##### By: Sal Khan

Making at least 3 out of 5 free throws.

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Probability using combinatorics : Example: Combinatorics and proba...

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

Probability of getting a set of cards

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

### Basic probability : Example: Marbles from a bag

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

The probability of picking a yellow marble from a bag.

Basics of probability and combinatorics.

### Dependent events : Monty Hall Problem

##### By: Sal Khan

Presentation and analysis of the famous Monty Hall Problem

Basics of probability and combinatorics. What's the probability of picking two e from the bag in scrabble (assuming that I don't replace the tiles). Well, the probability of picking an 'e' on your second try depends on what happened in the first (if you

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