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Distributions:
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Sampling
Sampling Distribution (Mean)
Sampling Distribution (Sum)
Sampling Distribution (Proportion)
Population Sampling Simulator
Precision:
0
1
2
3
4
5
6
7
8
9
10
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Color:
random
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deepskyblue
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blueviolet
magenta
deeppink
hotpink
pink
burlywood
peru
saddlebrown
Sampling Distribution (Sum)
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Distribution Parameters:
Mean (μ or x̄)
Sample Standard Deviation (s)
Population Standard Deviation (σ)
Sample Size
Use Normal Distribution
Choose Calculator Type
Probability
Percentiles
Area / Probability
Results:
μ
X̄
=
σ
X̄
=
Above:
Below:
Middle:
Tails:
Recalculate
Above
Below
Between
Tails
P(X ≥
)
P(X ≤
)
P(
≤ X ≤
)
P(X ≤
or X ≥
)
Results:
Using T distribution (σ unknown).
μ
ΣX
=
3250
σ
ΣX
=
12.0934
Probability:
P(0.2000<ΣX<0.7000)=
0.0000
Recalculate