Probability / Statistics

W
2 die roll vs 1 die roll + 7: Player A rolls a 6 sided die twice...
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8
Views
2K
whatthewhat
W
T
Venn diagram - probability distribution: What is differnce in Venn diagram?
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7
Views
1K
pka
pka
T
joint probability distribution vs joint probability
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2
Views
797
tjdj003
T
C
Normal Probability Distribution: order quantities of 15,000, 18,000, 24,000, 28,000
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2
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7K
DennisB12
D
B
Multiple Linear Regression Interpretation: diesel cars versus LGV cars
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0
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774
Bi7n
B
H
Proof of an obvious change in variance
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6
Views
1K
JeffM
J
T
Odds to Probability Question: bookmaker puts odds of event occuring at 6/4
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6
Views
3K
Dr.Peterson
Dr.Peterson
C
Author says: Chance of Horse B finishing in the top three is about 74%. (How??)
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1
Views
1K
tkhunny
tkhunny
M
Joint distr of (X,Y) is f(x,y)=c(x^2+y^2) for 0<=x,y<=1 (0 otherwise); find c, ...
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1
Views
669
tkhunny
tkhunny
S
  • Locked
Salesman success rate is 0.35. Find probability that >=75% will buy product.
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3
Views
2K
HallsofIvy
H
K
Confused: Find probability 7 of 12 drivers were wearing seat belts.
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1
Views
839
HallsofIvy
H
K
Q asked by lecturer: trainees 80% female, females 90% college-educ., males 78% colleg
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1
Views
817
HallsofIvy
H
R
Help solving Bigram Model with the following probabilities
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1
Views
1K
Dr.Peterson
Dr.Peterson
S
  • Locked
Given P(A) = 0.6, P(B) = 0.5, P(A ∪∪ B) = 0.72. Find P(A | B) and P(B | A).
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1
Views
841
stapel
stapel
S
  • Locked
population covariance and correlation question
Replies
1
Views
740
stapel
stapel
M
CDF from PDF: Let X be random variable w/ density function f(x) = e^{-C|x|}; find C
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7
Views
2K
Dr.Peterson
Dr.Peterson
F
Series of problem questions: Students completing a training course on web design
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1
Views
1K
HallsofIvy
H
M
Random walk: 50% chance of taking step forward, 50% chance of taking step back
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1
Views
879
HallsofIvy
H
L
How to average and equally compare categories with different number of data elements?
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2
Views
3K
livefire
L
J
Probability of dependent event- marble problem
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2
Views
885
JHY
J
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