The probability that one event will occur given that we know that another event has
already occurred
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conditional probability
For a union, you use the ___________ rule
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addition
a set of all elements about which we wish to draw conclusions
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population
Let A, B, and C be events and assume the following probabilities: P(A) = 0.2, P(B) = 0/3,
P(C) = 0.5, P (A ∩ B) = 0.06, P (A ∩ C) = 0, and P (B ∩ C0 = 0.5
Which two of the three events are mutually exclusive?
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A,C
(Non probability sampling method) Samples in which a person who is extremely
knowledgeable about the population selects 1 population elements he or she feels
are most representative.
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Judgement sampling
(empirical rule) ______________ of the population measurements lie within one standard
deviation of the mean: [μ-σ, μ+σ]
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68.26%
, The __________ (A ∪ B) describes...
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Union; A or B or Both
Case 2 - how large is large enough for sample size
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If the sample size is at least 30, then for most sample populations, the
sampling distribution of sample means is approximately normal
Facts and figures from which conclusions can be drawn
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Data
___________________ (X) is a number calculated using the sample measurements that
describes some aspect of the sample
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sample statistic
already occurred
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conditional probability
For a union, you use the ___________ rule
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addition
a set of all elements about which we wish to draw conclusions
,Give this one a try later!
population
Let A, B, and C be events and assume the following probabilities: P(A) = 0.2, P(B) = 0/3,
P(C) = 0.5, P (A ∩ B) = 0.06, P (A ∩ C) = 0, and P (B ∩ C0 = 0.5
Which two of the three events are mutually exclusive?
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A,C
(Non probability sampling method) Samples in which a person who is extremely
knowledgeable about the population selects 1 population elements he or she feels
are most representative.
Give this one a try later!
Judgement sampling
(empirical rule) ______________ of the population measurements lie within one standard
deviation of the mean: [μ-σ, μ+σ]
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68.26%
, The __________ (A ∪ B) describes...
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Union; A or B or Both
Case 2 - how large is large enough for sample size
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If the sample size is at least 30, then for most sample populations, the
sampling distribution of sample means is approximately normal
Facts and figures from which conclusions can be drawn
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Data
___________________ (X) is a number calculated using the sample measurements that
describes some aspect of the sample
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sample statistic
