# chapter 4 unit d e280

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1. probability
• likely hood, what's the chance it will occur, numerical value between 0 and 1
• 0 impossible
• 1 definite event
2. sample space
all possible outcome (ex coin heads and tails)
3. experiment
when we do something to see what happens
4. event
is a description of the subset of the sample space
5. exhaustive
if all possible outcome of a random experiment are included in the events
6. mutually exclusive
if they dont share any common outcome of a random experiment
7. venn diagram
represents the sample space for the events
8. union
of two events (A u B), is the event consisting of all simple events in A or B
9. addition rule: union probability P(A or B)
the probability that event A or B occurs (the probability that a least one of these events occurs)

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 Author: Anonymous ID: 303468 Filename: chapter 4 unit d e280 Updated: 2015-05-31 18:06:51 Tags: e1 Folders: e1 Description: e1 Show Answers:

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