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Statistics Chapter 4 - Probability Flashcards | StudBud
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Statistics Chapter 4 - Probability
Statistics Chapter 4 - Probability
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Statistics Chapter 4 - Probability
Flashcards
13 cards
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Practice quiz
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Questions
13
Answers
1
If two events cannot occur together they are ___.
Dependent
Disjoint
Mutually exclusive
Independent
2
What will bring the relative frequency closer to the theoretical probability value?
Mutually exclusive
Simple event
Independent events
Law of large numbers
3
Is this a true statement:
30
C
5
>
30
P
5
Yes
No
4
The sum of the probabilities of all simple events in a sample space must equal ___.
10
1
100
0
5
If a coin is flipped 2 times, what is the probability that they are both heads?
.25
1
.75
.5
6
The number of ways to
arrange in order n
distinct objects, taking them
r
at a time, is a(n) __.
Permutation
Combination
Independent variable
Dependent variable
7
If an event is certain to occur, what is it's probability
1
100
0.10
0
8
What probability rule is this: P(A and B) = P(A) • P(B)
General multiplication rule for any events
Multiplication rule for independent events
Conditional Probability
Multiplication rule for mutually dependent events
9
Can be thought of as any random activity that results in a definite outcome.
Relative frequency
Sample space
Statistical experiment
Statistical observation
10
The probability that an event does not occur is it's ___.
Complement
Dependent
Independent
Supplement
11
The P(A) given that P(B) is true can be written as ___.
P(A|B)
P(A) • P(B|A)
P(B|A)
P(A) + P(B)
12
Is this a true statement: 0! = 1!
Not enough information
0! cannot be calculated
Yes
No
13
One particular outcome of a statistical experiment is a ___.
Simple event
Sample space
Event
Independent