Fundamentals of Probability

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Presentation transcript:

Fundamentals of Probability 11.4 Notes Fundamentals of Probability

Theoretical Probability What is the theoretical probability of tossing a heads on a fair coin? Calculation: P (E) = number of outcomes in event E = n(E) number of outcomes in possible outcomes n (S) More examples:

Theoretical Probabilities More Examples:

Empirical Probability …or Experimental Probability: applies to situation in which we observe how frequently an event occurs. Find the probability that a person in your Math Topics class is a boy.

Empirical Probability

Empirical Probability With a partner, flip a coin and record the number of heads observed. Fill out the table below with your observations. Number of Tosses Number of Heads Observed Empirical Probability of Heads or P(H) 5 10 15 20 25 30

11.4 MathXL Due Sunday at midnight 11.1-11.4 Quiz (up to 3 submissions) due Sun. at midnight.