Math Quiz-Lessons 11.6-11.9
probability of disjoint events formula
P(A or B)=P(A)+P(B)
probability of overlapping events formula
P(A or B)=P(A)+P(B)-P(A and B).
probability of dependent events formula
P(A and B)=P(A) x P(B given A).
probability of independent events formula
P(A and B)=P(A) x P(B)
combination
a selection of objects where the order in which the objects are chosen is not important
permutation
an arrangement of objects in which order is important
disjoint events or mutually exclusive events
events that have no outcomes in common
overlapping events
events that have one or more outcomes in common
n factorial
the product of the integers from 1 to n and is written as "n!"
dependent events
two events are, if the occurrence of one event does affect the probability of the occurrence of the other event
independent events
two events are, if the occurrence of one event does not affect the probability of the occurrence of the other event
complementary events
two events are, if they are disjoint events and one event or the other must occur