Probability / Statistics

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Exam help: For u (mu) = 38.2 g, sigma (lowercase) = 6.5 g, and N = 246, E(X-u) = ____
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0
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780
ericmalmquist
E
T
Compute Probability of Type II Error (A cola-dispensing machine)
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2
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3K
taviarobin
T
J
Expected value word problem: deciding whether to insure lives of those leading quest
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3
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5K
stapel
stapel
B
Probability formula while drawing multiple weighted elements
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1
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880
bazyn
B
J
Expected profit: realtor considering whether to list an unusual $850,000 house
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2
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4K
jmasta
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possible number of combinations of 9 elements.3 sets with 3 elements each.
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2
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1K
HallsofIvy
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D
Probability Question for a Game Design: There are 22 cards; 4 are identical...
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2
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944
Dannym77
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Non-mathematician needs help calculating hand ranks in a card game
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0
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892
Thos
T
L
what can be the maximum number of cities in this country?
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2
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1K
stapel
stapel
N
List of Questions for Probability and Permutation
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3
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1K
Ishuda
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L
Simple Equation Not So Simple? z = (1.05-1.2)/(0.5/sqrt[100]) = -3.0
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3
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2K
Lindsayk
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Combinations: adding 1-5, using only 5 numbers, to get 15 or less
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2
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3K
pka
pka
M
Preferences variables Choose the best analysis
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0
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773
masimon
M
A
Throwing a die: At first trial we bet one die's face. At second two. At third 3....
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15
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3K
anonymous2
A
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Probabilities/Combinations: At a certain clinic, 29% of those who come in for testing
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6
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4K
pka
pka
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sampling and heterogeneity: I have a population from which i take 3 samples...
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0
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935
imsolost
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A
Bernoulli probability: prob success in 2 trials 0,39; prob success in 3 trials 0,43
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6
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2K
anonymous2
A
J
What am I missing in these 3 questions? (For Q1, I got prob = -0.07; for Q2...)
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2
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4K
stapel
stapel
S
Drawing a scatterplot (regression line y(hat)=11.058-0.01466x)
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1
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1K
stapel
stapel
K
Which statistical model is appropriate? "Consider a factory producing sliced Ham...."
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0
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798
KDY
K
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