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Probability

Page history last edited by NolanTomboulian 1 year, 3 months ago

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Kahn Academy Topic Videos:

https://www.khanacademy.org/math/ap-statistics/probability-ap#probability-multiplication-rule

 

 

PROBABILITY is a mathematical Model used to predict future outcomes (EVENTS) based on prior (or expected) results.

Probability is most oven expressed as a Decimal between ZERO (0) never happen and ONE (1) certainly will happen.
Decimals may also be expressed as a fraction: (Event / Total Outcomes)
Decimals can also be expressed as PERCENT:
1/2 = .5 = 50%

Theoretical Probability

is that given a "FAIR" tool, the outcomes can be predicted.

There are 6 sides on a Die: the probability of getting any number is "1/6"
The probability of getting an EVEN P(2, 4, 6) is 3/6 or 1/2 or .5 or 50%

There are 2 sides to a Coin: The probability of getting Heads or Tails is "1/2".

There are 52 cards in a DECK: the probability of getting an ACE is 4 out of 52 or 4/52 = 1/13 = .0769 or 7.69%

Experimental Probability

Based on an "Experiment", predict the future based on the past outcomes.
The greater number of "SAMPLES", the closer your experiment should approximate the Theoretical Probability.
If you "toss" a fair coin 10 times it is possible for it to be HEADS all ten times (but very unlikely)!

SPINNER Simulation Use this on-line Spinner with various defaults (or customize it) for Experimental Probability

Link to PROBABILITY GAMES

Sample SimulationExperimental OUTCOME With Spinners: Experimental Spinners
An Experiment With 1 Die
An Experiment With 2 Dice

Probability Quiz

 

BLOOD TYPE DISTRIBUTION:

https://en.wikipedia.org/wiki/Blood_type_distribution_by_country

 

Worksheets:

https://www.easyteacherworksheets.com/math/stats-compoundprobability.html

 

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