What does the Addition Rule of Probability help calculate?

  • The average of two probabilities
  • The difference between two probabilities
  • The probability that at least one of two events will occur
  • The probability that both events will occur
The Addition Rule in probability is used to calculate the probability that at least one of two (or more) events will occur. It states that the probability of the occurrence of at least one of two mutually exclusive events is the sum of their individual probabilities.
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