Stats Exam 3

# Stats Exam 3 - Sample space – the set of all possible...

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Unformatted text preview: Sample space – the set of all possible outcomes from an experiment Roll a diequant. Flip a coinqual. Event – a subset of the sample space Probability (of an event A) – denoted , is the expected proportion of occurrences of A if the experiment were performed a large number of times (keep in mind A is just an example, we could call the event whatever we wanted) How many ways are there to arrange the letters in the word SUNDAY? 1. If a burglar system has a 3 digit code and each digit is a number between 0 and 9, then how many possible codes are there? Tree diagram – a device useful for determining the sample space when looking at a series of operations Probability rules Complement (of an event A) – denoted , is all sample points not in A, Conditional probability (A conditioned on B) – denoted , is when we are interested in knowing if event A occurred given that we know event B occurred Complement rule Addition ruleConditional probability rule Multiplication rule Mutually exclusive or disjoint – When two events cannot occur together Contingency Table or Cross Tabulation Table – used typically to...
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Stats Exam 3 - Sample space – the set of all possible...

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