zhy

• Sample Space


  The set of all possible outcomes of an experiment
• Events


  Subsets of the sample space
• Outcomes


  The possible results of an experiment
• Experiments


  The process of observing and recording the results of a random phenomenon
• Two types of probability

  • Theoretical probability
  • Experimental probability
• Theoretical probability


  The probability expected to happen based on mathematics
• Calculating theoretical probability


  P(event) = number of favorable outcomes / total number of possible outcomes
• Experimental probability


  The probability found by repeating an experiment and observing the outcomes
• Calculating experimental probability


  P(event) = number of times event occurs / total number of trials
• The chances of landing on blue are 1 in 4, or one-fourth
• The chances of landing on red are 1 in 4, or one-fourth