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STATS

Chp 4,5

TermDefinition
random variable a variable (typically represented by x) that has a single numerical value, determined by chance, for each outcome of a procedure.
Discrete random variable Has a finite or countable number of values.
Probability Distribution A description that gives the probability P(x) for each value of the random variable.
Mean Value Is a weighted average of x-values
Expected Value Represents the average value of all possible outcomes in the long run.
Binomial Distribution Is a type of discrete probability distribution that comes forma sequence of trials satisfying certain properties (fixed # of trials; trials are independent, classified as success or failure, p(success) is same for all outcomes.)
Created by: kkzkoshuta