Intuitive sense of probabilities | Statistics and probability | 7th grade | Khan Academy

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Think about what probabilities really mean. What does a probability of 0 mean? How about 1?

Missed the previous lesson?

Grade 7th on Khan Academy: 7th grade takes much of what you learned in 6th grade to an entirely new level. In particular, you'll now learn to do everything with negative numbers (we're talking everything--adding, subtracting, multiplying, dividing, fractions, decimals... everything!). You'll also take your algebraic skills to new heights by tackling two-step equations. 7th grade is also when you start thinking about probability (which is super important for realizing that casinos and lotteries are really just ways of taking money away from people who don't know probability) and dig deeper into the world of data and statistics. Onward! (Content was selected for this grade level based on a typical curriculum in the United States.)

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Statistics is the mathematical analysis of what *has* happened in the past. Probability is the mathematical analysis of what *may* happen in the future.

UltimateBargains
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Now i'm scared about tomorrow because of that chance that the sun couldnt rise.

duckduckgoose
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Nothing is impossible, just highly unlikely. :D #DoctorWho  

savannahlorcher
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Well, if you are so sure that the sun will come tomorrow, tomorrow, you should bet your bottom dollar on it.

mustavogaia
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Scariest khan academy video by far i have watched

markravenfelimon
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Didn't know that sun couldn't rise 6:34

walabalawalaaussie
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Love it! This was a really good one, Sal. :)

sovietmaths
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The Gopher example is like the Infinite Monkey Theorem. 

DrSalvador
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This is how to know truth of any situation. Everything adds up. add a little Intuition and knowledge to that and Bam....you have the culprit 😂💪

Killingly
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What is the probability that your fair die will go evolve and grow a 7th side?

TraceguyRune