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Unit 4 - Coggle Diagram
Unit 4
Lesson 23
probability
: the proportion of times the outcome would occur in many repetitions
between 0 and 1
sum of all child events is 1
the complement of an event is 1 minus its probability
the probability is equal to the number of results over the total outcomes
outcomes
: the result of a trial of random process
statistically significant
: enough evidence to reject the
null hypothesis
(a hypothesis that disproves sth.)
event
: collection of outcomes
law of large numbers
: the result of performing the same experiment a large number of times
complement of an event
: the opposite of an event
simulation
: a test in place of an experiment if the experiment could not be conducted
Lesson 24
diagrams
Venn diagram
: compare & contrasts items
two-way table
: display frequencies for two different categories
tree diagram
: display probabilities of sequential events
conditional probability
: the probability of an event to happen given that another has already happened
P=0 if the major event didn't happen
P(A | B) = P(A ∪ B) / P(B)
the common area in a Venn diagram divided by the prob. when another even happens
mutually exclusive
: when two events could not happen together
not equal to
independence
test independence: P(A | B) = P(A)
and
P(B | A) = P(B)