chapter 4 unit d e280
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probability
likely hood, what's the chance it will occur, numerical value between 0 and 1
0 impossible
1 definite event
sample space
all possible outcome (ex coin heads and tails)
experiment
when we do something to see what happens
event
is a description of the subset of the sample space
exhaustive
if all possible outcome of a random experiment are included in the events
mutually exclusive
if they dont share any common outcome of a random experiment
venn diagram
represents the sample space for the events
union
of two events (A u B), is the event consisting of all simple events in
A or B
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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Anonymous
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303468
Filename:
chapter 4 unit d e280
Updated:
2015-05-31 18:06:51
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