GCSE Maths (Edexcel)
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Probability
Probability
Mutually Exclusive Probabilities
6:59
Mutually Exclusive Events
Spec
P4
- The probability of two mutually exclusive events happening is equal to the sum of their individual probabilities.
- The formula for calculating the probability of A or B (mutually exclusive events) is P(A) + P(B).
- The total number of outcomes for mutually exclusive events is the sum of the outcomes for the individual events.
- The probability is derived by dividing the number of successful outcomes by the total number of possible outcomes.
- Examples are given for calculating the probability of getting a specific item from a treasure chest and drawing specific cards from a deck.
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