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Probability
- Probability scales
- Probability
- In maths, probability means how likely something is to happen
- Probabilities are often shown on a scale with
impossible at one end and certain at the other
- Probabilities are often shown on a scale with
impossible at one end and certain at the other
- In maths, probability means how likely something is to happen
- Random
- If a person is chosen at
random it means every
person has an equal
chance of being chosen
- If a person is chosen at
random it means every
person has an equal
chance of being chosen
- Probability
- How the theory works
- Playing card example
- A pack of playing cards has four suits
- There are two red suits, diamonds and hearts
- There are two black suits, clubs and spades
- There is also two
joker cards in every
pack of cards
- Each suit has 13 cards
- Because each suit has 13 and there are 4 suits, it means that
there are 52 suit cards and 2 jokers bringing the total to 54
cards
- Because each suit has 13 and there are 4 suits, it means that
there are 52 suit cards and 2 jokers bringing the total to 54
cards
- Each suit has 13 cards
- There is also two
joker cards in every
pack of cards
- There are two black suits, clubs and spades
- There are two red suits, diamonds and hearts
- A pack of playing cards has four suits
- Playing card example
- Experiments and games
- When the theory doesn't help
- Relative frequancy
- Dean estimates the probability of throwing a six with his dice
- He says that it is 35/100
- This type of estimation is called relative frequency
- This type of estimation is called relative frequency
- He says that it is 35/100
- Dean estimates the probability of throwing a six with his dice
- Relative frequancy
- Symbols used with probabilty
- (P)
- This means probabilty
- This means probabilty
- \
- This is used with fractions
- This is used with fractions
- '
- (P)
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