Probability / Statistics

M
Calculating the mean of a sum of independent variables, with the same distribution, when the number of terms varies?
Replies
7
Views
2K
MathNugget
M
R
A fairly simple probability question ( I think)
Replies
2
Views
769
Rampuss
R
M
Percentiles - getting mixed results when trying to find the 10th and 90th percentiles
Replies
4
Views
1K
mathy555
M
J
Correct way to report significant digits in measurements and their uncertainty (calculating stream density)
Replies
2
Views
916
Dr.Peterson
Dr.Peterson
8
APPROACH TO: What is the probability of a football game ending with a score of 14 - 0 ?
Replies
11
Views
2K
850mph
8
A
Mean and s.d of normal distribution? (The time taken for a randomly chosen student to complete the test is...)
Replies
10
Views
2K
blamocur
blamocur
R
Probability of winning race: Each racer runs 100 yards. Each racer rolls to run between 3 and 10 yards....
Replies
0
Views
530
rp405
R
M
Fuzzy logic for expert medical system (probability of having a patient's covid)
Replies
0
Views
449
MrAlex
M
D
Standard Deviation: If IQ scores that range between 55-70 are three SD's below the mean, then why...
Replies
0
Views
479
deannat506
D
J
coin flip (binomial) question: How many trials are needed to remove chance from being involved in these 4-flip all-heads 1/16 goal trials?
Replies
0
Views
446
JDavid
J
P
How to use correctly the standard deviation for a sample? (object weighted 3 times during production)
Replies
3
Views
1K
Parcosan
P
S
How to best speculate about probabilities, from hypothesis testing?
Replies
1
Views
627
khansaheb
K
S
How to know if a difference between probabilities is large?
Replies
0
Views
467
Seba
S
T
Difference in proportion of sample, comparing two groups
Replies
0
Views
494
tbhat
T
B
Mirror Pattern in Tau (2Pi): an unusual probability calculation.
Replies
0
Views
736
bluetriangle
B
S
problem snowballs: "With odd number of children in field, distances between are all different."
Replies
11
Views
2K
blamocur
blamocur
G
What are the Chances? "Recently, 4 and only 4 random people found themselves in the same room together...."
Replies
8
Views
2K
GlenK
G
P
Strangle Confidence Interval / Error Interval for dataset [4.3, 1.5, 2.8, 3.8, 9, 0, 4.5, 1.2, -1, 1.3, 9.3, 6.6, 6]
Replies
2
Views
874
Dr.Peterson
Dr.Peterson
C
Monty Hall problem in a different way: What if at the start there are 3 players instead of 1?
Replies
2
Views
748
Dr.Peterson
Dr.Peterson
S
basic correlation linearity question
Replies
4
Views
973
supermarco
S
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