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Probability / Statistics
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E
Binomial problem: Prove sum[k=0,n] (n-choose-k) {sum[i=0,k] (-3)^i (k-choose-i)} = (-1)^n
elioruzan
Feb 14, 2023
Replies
6
Views
507
Feb 15, 2023
elioruzan
E
M
Augmented Dickey Fuller test interpretation: how many lags? which is final?
martin.g25
Feb 10, 2023
Replies
2
Views
457
Feb 14, 2023
martin.g25
M
C
Statistics: How do I find the mean+median of this question?
callmeashleykk
Feb 10, 2023
Replies
15
Views
1K
Feb 12, 2023
callmeashleykk
C
K
probability problem: There are ten books on the shelf...
krzesimort
Feb 10, 2023
Replies
3
Views
392
Feb 10, 2023
Dr.Peterson
B
Possibilities / probabilities
Barbra
Feb 9, 2023
Replies
3
Views
319
Feb 10, 2023
Otis
B
probabilities: I solved it 2 different ways; it's 0.125 but in book they wrote 0.25
Barbra
Feb 9, 2023
Replies
10
Views
600
Feb 10, 2023
Dr.Peterson
M
Mean, Median or Mode: A potential employee inquired about the salary paid by a company....
Mila12
Feb 8, 2023
Replies
4
Views
753
Feb 8, 2023
The Highlander
M
Are there other "controllers" similar to p-value, q-value, and power?
Metronome
Jan 31, 2023
Replies
2
Views
307
Feb 1, 2023
Metronome
M
S
Venn Diagrams: concise statement of (AnB') U (BnA') ?
Skelly4444
Jan 31, 2023
Replies
5
Views
949
Jan 31, 2023
The Highlander
N
Probability of duplicate colours on 2 gos (4 drawn total)
njmiller
Jan 30, 2023
Replies
11
Views
457
Jan 31, 2023
njmiller
N
E
A hero attacks a monster. The hero deals 100 damage with every successful hit...
Embarassed
Jan 29, 2023
Replies
13
Views
437
Jan 30, 2023
Embarassed
E
E
Flip a coin. If tails, your next flip is guaranteed to be heads.
Eraser
Jan 24, 2023
Replies
10
Views
684
Jan 28, 2023
BigBeachBanana
Z
Special Applications: mixing blue dye, UV agent to make color baths: how many liters?
zmalya
Jan 26, 2023
Replies
2
Views
333
Jan 26, 2023
Steven G
A
Probablity based on data: predict the probability of how many yellow cards we will see.
ajnurob
Jan 22, 2023
Replies
10
Views
646
Jan 25, 2023
BigBeachBanana
Y
Permutations, Combinations and Probability: In a room there are 16 wooden chairs and 10 plastic chairs.
yobacul
Jan 21, 2023
Replies
15
Views
973
Jan 23, 2023
stapel
Y
Permutations Questions: how many 6-digit binaries can be formed? how many are palindromes?
yobacul
Jan 21, 2023
Replies
19
Views
779
Jan 23, 2023
stapel
D
Password Q: How many combinations of a,b,c,d,c,1,2,3,4,5, w/ repetitions, have <= 4 digits?
Drazil
Jan 22, 2023
Replies
2
Views
372
Jan 23, 2023
JeffM
J
I
52 playing cards are divided to 3 people. What are chances that any player get excactly 2 x 9's and 2 x 6's?
IsmoKerava
Jan 21, 2023
Replies
3
Views
327
Jan 21, 2023
Steven G
C
Sample mean is 145, asking if the true mean > 134?
Crescent
Jan 20, 2023
Replies
2
Views
288
Jan 20, 2023
Dr.Peterson
D
We throw three healthy dice together.
dazhebhs
Jan 17, 2023
Replies
4
Views
315
Jan 17, 2023
Steven G
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