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module one
Probability
The measure of how likely an event is.
Experiment
A process yielding one random result, such as spinning a spinner.
Outcomes
All possible results of an experiment, e.g., landing on yellow, blue, green, or red.
Event
A specific outcome of interest, e.g., landing on blue.
Empirical Probability
Based on experiments and observation to estimate the likelihood of outcomes.
Theoretical Probability
Calculations based on reasoning to predict outcomes, e.g., rolling a die.
Subjective Probability
Probabilities based on personal judgment and not empirical evidence.
Law of Large Numbers
Over time, empirical results approach theoretical probability.
Mutually Exclusive Events
Events that cannot occur at the same time.
Conditional Probability
Probability of Event B occurring given that Event A has occurred.
Independence of Events
Events that do not affect each other when one occurs.
Sampling Without Replacement
Probabilities that change as items are removed from a population.
Addition Rule
A rule that calculates the probability of either of two events occurring.
Tree Diagrams
Visual representations showing all possible outcomes of an experiment.
Sample Space
A list of all possible outcomes of an experiment.
Venn Diagrams
Diagrams showing probabilities and their relationships in categories.
Contingency Tables
Tabular representations of probabilities relating to different categories.
