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Basic Probability Concepts Overview

This review covers the fundamentals of basic probability, including formulas, sampling techniques, and using applets to illustrate concepts. It also delves into binomial problems and practical examples like shooting free throws. Learn to calculate probabilities using z-scores in this comprehensive guide.

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Basic Probability Concepts Overview

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  1. Basic Probability Part 1: Mon, March 15th

  2. Review of Basic Probability • Formula for p = f / N Or…p = # possible ways to get outcome of interest total # possible outcomes Denominator (total # possible outcomes) also called “Sample Space” (S)

  3. (cont.) • Sampling w/replacement – each individual (outcome) is replaced into population before next selection • Sampling w/o replacement – once a person (outcome) is chosen, it is kept out of remaining population

  4. Lab 14 • Use applets to demonstrate probability concepts • Focus on sample space (all possible outcomes) • If a binomial problem (only 2 possible outcomes on each trial), can determine total # possible outcomes using 2n, where n=# trials • Shoot 3 free throws – what is samp space? Should have 23 = 8 outcomes • HHH, HHM, HMH, MHH, HMM, MHM, MMH, MMM

  5. (cont.) • Use unit normal table to determine probabilities (instead of %s) associated with different z scores • Remember z = (x – xbar) / Sx

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