Chapter 16 Probability Study Guide
Chapter 16 Probability Study Guide Math 1030
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This 2 page Study Guide was uploaded by Jamilia Johnson on Tuesday February 16, 2016. The Study Guide belongs to Math 1030 at Southern Utah University taught by Matthew Adams in Winter 2016. Since its upload, it has received 38 views. For similar materials see Quantative Reasoning in Math at Southern Utah University.
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Date Created: 02/16/16
Probability Study Guide Definitions: A. Sample Space: set of all possibles outcomes from a random experiment B. Event: a subset of the sample space/ any subset of the sample space C. Impossible outcomes: An event with no outcomes D. Certain Event: Every possible outcome E. Single Event: One outcome F. Multiplication Rule:If there are m different ways to do X and n different ways to Y, then X and Y together ( and in that order) can be done in m x n different ways. G. Permutation: An ordered selection of r objects chosen from a set of n objects; a rearrangement ● order does matter in this case H. Combination: An unordered selection of r objects chosen from a set of n objects ● order does notmatter Formulas: Multiplication Formulam x n Permutation formulanPr Combination formula nCr # of outcomes in E General Probability Formula: Pr( Event E)= # of outcomes in S Calculator Steps: Probability formula 1. Type in first number, usually the biggest number in the sequence 2. Press the math button 3. Scroll to the last option that says “ PRB” 4. Click option 2 “ nPr” 5. Press Enter 6. Type Second number 7. Press Enter and that’s your answer Combination Formula 1. Type in the first number 2. Press the math button 3. Scroll to the last option that says “ PRB” 4. Click option 3 “nCr” 5. Press Enter 6. Type second number 7. Press enter and that’s your answer
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