Probability vocabulary
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• Question 1
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Q.

The measure of the likelihood that an event will occur. The chance that an event will happen. A ratio of chance/all chances.

odds

probability

outcomes

tree diagram

• Question 2
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Q.

A set of all possible outcomes of one or more events. Ex. {1,2,3,4,5,&6}

Independent Events

Outcome

Probability

Sample Space

• Question 3
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Q.

Probabilities are always between...

0 & 1 or 0% & 100%

0 & 100 or 0% & 1%

1 & 100

2 & 1

• Question 4
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Q. The probability of an event is written as P(event).
False
True
• Question 5
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Q.

A ________ consists of 2 or more events.

single event

prediction

compound event

experiment

• Question 6
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Q.

The chance of flipping a tail on a normal coin is equally as likely as flipping a head.

True

False

• Question 7
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Q.

the outcome of the second event does not depend upon the outcome of the first event

sample space

dependent

independent

impossible

• Question 8
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Q.

the outcome of the first event affects the outcome of the second event

equally

independent

dependent

certain

• Question 9
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Q. Possible results of an event
outcomes
compound event
simple event
probability
• Question 10
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Q.

a situation involving chance that leads to results, or outcomes

experiment

simple event

probability

compound event

• Question 11
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Q.

one or a group of possible outcomes for a given situation

event

simple event

probability

probability model

• Question 12
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Q.

the way to determine probability is:

• Question 13
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Q.

an event with a probability of zero

impossible

mutually exclusive

outcome

outcome

• Question 14
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Q.

2 events in which either one or the other must happen, the sum is 1 or 100%

Random

Complementary Events

Theoretical Probability

Experimental Probability

• Question 15
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Q.

If it is possible for the events A and B to occur simultaneously, then _______.

P(A or B) = P(A) + P(B) - P(A and B)

P(A or B) = P(A) . P(B)

P(A or B) = P(A) + P(B)

• Question 16
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Q. Two events are mutually exclusive if:
they cannot happen at the same time
they can happen at the same time
they always happen
they never happen
• Question 17
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Q.

5!=

5/5

5*5

5+4+3+2+1

5*4*3*2*1

• Question 18
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Q. An arrangement in which order is not important.
permutation
combination
theoretical probability
sample space
• Question 19
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Q. An arrangement in which order is important.
combination
odds
permutation
counting principle
• Question 20
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Q. An event with a probability of one
experimental probability
outcome
certain event
permutation
• Question 21
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Q.

In probability the word "and" implies what operation?

subtract

multiply

divide

• Question 22
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Q.

In probability the word "or" implies what operation?