Probability / Statistics

R
Mean credit-card debt $4,500 (SD: $1,200): Find debt of top 2%
Replies
1
Views
231
stapel
stapel
E
If there are 50 people and the odds of turning up are 0.34 what is the variance?
Replies
3
Views
526
j-astron
J
S
Help please: 30% of group A will steal; some members 29% more likely than others to
Replies
2
Views
330
sungho_75065@yahoo.com
S
B
How many words (at most 6 letters) formed from a, b, c, d, e, f; Combinatorics
Replies
0
Views
514
Bélisaire
B
N
[Highschool math] SIR Model (simulating diff-EQ w/ turtle graphics using JSXGraph)
Replies
3
Views
416
Dr.Peterson
Dr.Peterson
C
Numerical Analysis: Is Crank-Nicholson (modified Euler) or Euler more accurate?
Replies
0
Views
323
ChrisHughes
C
S
Combinations/Permutations Math Problem: 20 people wish to make up a hockey team.
Replies
2
Views
636
SophieFred316
S
S
Discrete Math: E_1 is scores odd, different; E_2 is scores sum to 8; independent?
Replies
4
Views
574
Jomo
Jomo
L
looking for opinion: I started to develop this nice tool, of Randoms Generator.
Replies
2
Views
611
stapel
stapel
I
need help w/ "You find a very distant star cluster and measure its mean velocity."
Replies
1
Views
400
j-astron
J
P
Finding the Min and Max of a range when I know the 25th, 50th, and 75th Percentiles
Replies
1
Views
339
ksdhart2
K
S
Discrete Math: In how many ways can 30 ident. balls be put in 7 distinct boxes, s.t.
Replies
13
Views
2K
JeffM
J
C
How Often Will It Occur? "If there are 131,800 homes & 1 home burns down every 3 yrs"
Replies
2
Views
523
stapel
stapel
R
Pattern Progression: regression for video-game Price progession from data
Replies
1
Views
310
lev888
L
T
figuring out a factor for testing tickets: Bugs are bad, passbacks are good
Replies
2
Views
348
td3201
T
N
Implied probability of this combined sequence: A, NOT A, A, NOT A
Replies
4
Views
545
j-astron
J
D
Need help w/ "The odds of a man being over 2 meters tall are 0.3...." & 3 other q's
Replies
3
Views
438
danaavital555@gmail.com
D
F
interquartile range from frequency table
Replies
1
Views
520
j-astron
J
V
Relating 3 variables in a probability problem
Replies
0
Views
379
volantis
V
E
Frequency for rolling a die (without replacement)...and finding expected value
Replies
2
Views
499
j-astron
J
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