Given that a person lives to be 80 what is the

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Unformatted text preview: on lives to be 80, what is the probability that she/he will live to be 90? Conditional Probability General Multiplication Rule 3.3 Conditional Probability Conditional Probability Notes Let A and B be events. The probability that event A occurs given (knowing) that event B occurs is called a conditional probability. It is denoted as P(A|B ). The formula of conditional probability is P(A ∩ B ) P(A|B ) = P(B ) Conditional Probability General Multiplication Rule The above formula works so long as P(B ) > 0. Under the equally likely framework the formula above can be written as #(A ∩ B ) P(A|B ) = #(B ) 3.4 Conditional Pro...
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This note was uploaded on 01/24/2014 for the course STAT 225 taught by Professor Martin during the Spring '08 term at Purdue University-West Lafayette.

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