Chapters 17 - 20 Notes Examples

Chapters 17 - 20 Notes Examples - Chapters 17 – 20 Notes...

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Unformatted text preview: Chapters 17 – 20 Notes Examples Page 1 of 4 Example of a Random Phenomenon that Leads to Probabilities • Experiment – We flip two coins simultaneously and record the number of heads that occur. Possible Outcomes: 0H 1H 2H Repeat experiment 200 times. Summary of Results: 0H 1H 2H 53 104 43 Calculate the experimental probability for the occurrence of 1H. What is the theoretical probability? Experimental Probability % 52 or 52 . 200 104 = = Theoretical Probability: Think of the Possible Outcomes as follows Possible Outcomes: 0H 1H 2H TT TH or HT HH Theoretical Probability % 50 or 50 . 4 2 outcomes possible of # occur can (1H) event the ways of # = = = Example: Rolling a Die • There are 6 outcomes and each outcome is equally likely to appear. • The probability of any one outcome is 1/6. ¡ What is the probability of tossing at most a 4? ¡ What is the probability of tossing an even number?...
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This note was uploaded on 06/13/2011 for the course STAT 110 taught by Professor Johnson during the Spring '07 term at South Carolina.

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Chapters 17 - 20 Notes Examples - Chapters 17 – 20 Notes...

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