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Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! We are constantly creating hypotheses, making predictions, testing, and analyzing. Our lives are full of probabilities! Statistics is related to probability because much of the data we use when determining probable outcomes comes from our understanding of statistics. In these tutorials, we will cover a range of topics, some which include: independent events, dependent probability, combinatorics, hypothesis testing, descriptive statistics, random variables, probability distributions, regression, and inferential statistics. So buckle up and hop on for a wild ride. We bet you're going to be challenged AND love it!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

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Lessons

We give you an introduction to probability through the example of flipping a quarter and rolling a die. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ ...
709 views

Probability of compound events. The Addition Rule. Common Core Standard 457 S-CP.7 Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
848 views

Venn diagrams and the addition rule for probability Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
940 views

In this example we are figuring out the probability of randomly picking a non-blue marble from a bag. Again, we'll have to think about the possible outcomes first. Practice this lesson yourself on Kh ...
819 views

You'll become familiar with the concept of independent events, or that one event in no way affects what happens in the second event. Keep in mind, too, that the sum of the probabilities of all the pos ...
871 views

In this video, we' ll explore the probability of getting at least one heads in multiple flips of a fair coin. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org ...
934 views

Up until now, we've looked at probabilities surrounding only equally likely events. What about probabilities when we don't have equally likely events? Say, we have unfair coins? Practice this lesson ...
674 views

A different way to think about the probability of getting 2 heads in 4 flips Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
859 views

Probability of exactly 3 heads in 5 flips using combinations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
738 views

Can humans generate truly random sequences More free lessons at: http://www.khanacademy.org/video?v=vVXbg
769 views

Conceptual understanding of where the formula for binomial coefficients come from Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
861 views

Let's flip a coin. More free lessons at: http://www.khanacademy.org/video?v=6E_NV
765 views

More on probability. More free lessons at: http://www.khanacademy.org/video?v=wBDOC
770 views

More on free throws. More free lessons at: http://www.khanacademy.org/video?v=W581O
758 views

Probability of getting a certain number roll in Monopoly More free lessons at: http://www.khanacademy.org/video?v=2XToW
742 views

Introduction to conditional probability More free lessons at: http://www.khanacademy.org/video?v=xf3vf
938 views

We're thinking about how the probability of an event can be dependent on another event occuring in this example problem. Practice this lesson yourself on KhanAcademy.org right now: https://www.khan ...
710 views

It's important to practice these probability problems as they get more complex eventually. Take a stab on this one...with our help, of course. Practice this lesson yourself on KhanAcademy.org right n ...
740 views

More on conditional probability. Touch on Bayes' Theorem. More free lessons at: http://www.khanacademy.org/video?v=BLcge
848 views

Introduction to Bayes' Theorem More free lessons at: http://www.khanacademy.org/video?v=VVr8s
801 views

Introduction to permutations More free lessons at: http://www.khanacademy.org/video?v=XqQTX
895 views

Introduction to combinations More free lessons at: http://www.khanacademy.org/video?v=bCxMh
810 views

Probability of getting exactly 3 heads in 8 flips of a fair coin. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
932 views

Making at least 3 out of 5 free throws. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
782 views

Probability that I picked a fair coin given that I flipped 4 out of 6 heads. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
670 views

The probability that at least 2 people in a room of 30 share the same birthday. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
785 views

Introduction to random variables and probability distribution functions. More free lessons at: http://www.khanacademy.org/video?v=IYdiK
904 views

Probability density functions for continuous random variables. Watch the next lesson: https://www.khanacademy.org/math/probabi ...
784 views

Introduction to the binomial distribution More free lessons at: http://www.khanacademy.org/video?v=O12yT
723 views

More on the binomial distribution More free lessons at: http://www.khanacademy.org/video?v=FI8xt
912 views

Basketball binomial distribution More free lessons at: http://www.khanacademy.org/video?v=vKNpQ
783 views

Using Excel to visualize the basketball binomial distribution More free lessons at: http://www.khanacademy.org/video?v=H0ZgO
741 views

Expected value of a random variable
743 views

Introduction to Poisson Processes and the Poisson Distribution.
796 views

More of the derivation of the Poisson Distribution.
764 views

Introduction to the law of large numbers
890 views

Understanding an insurance company's sense of my chances of dying. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/proba ...
699 views

Probability of winning the Mega Millions jackpot Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/preca ...
947 views

Our friend and Cleveland Cavalier, LeBron James, asks Sal how to determine the probability of making 10 free throws in a row. Hint: the answer is surprising! Practice this lesson yourself on KhanAcad ...
821 views

Our friend and Cleveland Cavalier, LeBron James, asks Sal if there's a high probability of making three free throws in a row or one three-pointer. Before solving the problem, jot down what you think t ...
792 views