Experimental & Theoretical Probability
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Last updated about 8 years ago
22 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:
Statistics
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Spin the wheel 10 times and record how many times the spinner lands on each color.
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A Probability Scale is a numerical value from 0 to 1 that measures the likelihood of the event(s).
Drag the movable points below to display how likely it was for the spinner to land on each color.
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Probability is a type of ratio where we compare how many times an outcome can occur compared to all possible outcomes.
The Probability of an Event can be written as a ratio, decimal, or percent.
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Theoretical Probability is what is expected to happen based on the possible outcomes, assuming equally likely events.
"What you expect to happen, but isn't always the case."
Flip the coin below 10 times and record the number of times you land on Heads.
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Experimental Probability is the result of an experiment or simulation after a large number of times.
"The probability determined from the results of an experiment."
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Roll the die ten times and record the numbers in the table.
1st: Click "Reset" and count the number you see for Trial #1
2nd: press "Roll" to view Trials 2 - 10.
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Calculating Theoretical Probability when rolling two dice.
Use the table below to find the probability of rolling 2 dice that add to 7.
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In a sample of 55 students
3 have red hair.
16 have blonde hair.
12 have black hair.
24 have brown hair.
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