22 terms

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CERTAIN
A probability of 1means the event is certain or has to happen.
COMBINATION
A combination is a in any order.
DEPENDENT EVENTS
A dependent event is if the occurrence of one other.
EQUALLY LIKELY
Suppose a sample space has 5 outcomes that are equally likely that is they all have the same probability x.
EVENT
An event is any set of one or more outcomes.
EXPERIMENT
An experiment is an activity in which results are observed
EXPERIMENT PROBABILITY
In experiment probability the likelihood of an event is estimated by repeating an experiment many times and observing the number of times the event happens.
FACTORIAL
The factorial of a number is the product of all the whole numbers from the number down to one.
FUNDAMENTAL COUNTING PRINCIPLE
Fundamental counting principle to find the number of passwords that do not contain an A.
IMPOSSIBLE
can never happen an event that is impossible has a probability of 0
INDEPENDENT EVENTS
events for which the outcome of one event does not affect the probability of the other
MUTUALLY EXCLUSIVE
two events are mutually exclusive if they cannot occur in the same trail of the experiment
ODDS AGAINST
the ratio of the number of unfavorable outcomes to the number of favorable outcomes
ODDS IN FAVOR
the ratio of the number in favorable outcomes to the number of unfavorable outcomes
OUTCOME
a possible result of a probability experiment
PERMUTATION-arrangement of items or events in which order is important
PROBABILITY
a number from o to 1 that describes how likely an event is to occur
RANDOM NUMBERS
in a set of random numbers each number has an equal chance of appearing
SAMPLE SPACE
all possible outcomes of an experiment
SIMULATION
a model of an experiment often one that would be too difficult or too time consuming to actually perform
YTHEORETICAL PROBABILIT
the ratio of the number of equally likely outcomes in an event to the total number of possible outcomes
TREE DIAGRAM
a branching diagram that shows all possible combinations or outcomes to an event
TRAIL
in probability a single repletion or observation of an experiment