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Basic Probability and Statistics

Basic Probability, Statistics, and Combinatorics
Ackbach
  • Sticky
Extremely Important Article on Statistics
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1
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8K
Joppy
J
L
Variance / standard deviation
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6
Views
394
logicandtruth
L
S
Time to fill water tank
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3
Views
229
Prove It
P
L
Permutations Question
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3
Views
261
Evgeny.Makarov
E
L
Binomial Coefficient Exercise
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1
Views
76
Evgeny.Makarov
E
K
could use help, know the answers but please help with the process and equations
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0
Views
132
kstars
K
karush
[SOLVED] -7.6.69 Determine the value z^* that..
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5
Views
378
Country Boy
C
H
Causal inference
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0
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142
Haboudane farid
H
R
probability regarding balls
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1
Views
142
Country Boy
C
S
Plz help I don’t understand
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1
Views
228
Evgeny.Makarov
E
karush
[SOLVED] -aux.05 coefficient of determination is 83.0 %
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3
Views
578
karush
karush
karush
[SOLVED] s.aux.26 our-sided die has three blue faces, and one red face......
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2
Views
3K
karush
karush
karush
[SOLVED] aux 26 our-sided die has three blue face, and one red face.
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0
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112
karush
karush
karush
[SOLVED] no problem
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0
Views
152
karush
karush
C
This is sampling distribution can you help me with this problem
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4
Views
2K
Country Boy
C
S
Give Possible Statistic
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3
Views
296
Country Boy
C
M
How do I find the average of two averages?
Replies
10
Views
409
Country Boy
C
M
Number of possible hands with at least one red card and one black card.
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1
Views
247
Micky1964
M
P
Homework Help: Probability involving 4 digit password
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6
Views
6K
Prove It
P
karush
[SOLVED] -aux11.outcomes in card drawing
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4
Views
2K
karush
karush
karush
[SOLVED] -aux.10.since he orders custom tiles how many choices does he have
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6
Views
2K
karush
karush
karush
[SOLVED] -aux.09.Probability distribution
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3
Views
1K
karush
karush
karush
[SOLVED] -aux08.probability distribution find a and b
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7
Views
6K
karush
karush
karush
[SOLVED] -7.68 Determine the value z* to satisfy the following conditions
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4
Views
266
romsek
R
S
How to visualize division in the Odds form of Bayes's Theorem?
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0
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158
scherz0
S
C
Identifying if an experiment is a binomial experiment
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0
Views
157
ciline
C
DaalChawal
Permutation and combination
Replies
1
Views
169
Klaas van Aarsen
Klaas van Aarsen
karush
[SOLVED] -7.64 Determine the following standard normal (z) curve areas:
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1
Views
218
karush
karush
karush
[SOLVED] -14.1 ....standard deviation of 15.....
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2
Views
289
karush
karush
T
Basic problem about investment (basic percentages, and econ/finance).
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1
Views
689
Country Boy
C
S
What story and two-digit Natural Numbers best fit Bayes' Theorem chart?
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0
Views
907
scherz0
S
A
i need a formula how to calculate it
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2
Views
761
Country Boy
C
V
Creating An Awesome Statistics Course For Students
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0
Views
177
Vaughny30
V
karush
[SOLVED] aux24 probability student range
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5
Views
454
Country Boy
C
A
What percentage of the class scored between a 67% and an 83%
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2
Views
299
Country Boy
C
Q
The blood groups of 200 people are distributed as follows: 40 have type A blood, 75 have type B blood, 60 have type O blood, and 25 have type AB blood
Replies
1
Views
797
Country Boy
C
S
statistics and probability
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2
Views
363
Country Boy
C
Nate Learning
Need help with this problem
Replies
1
Views
356
Country Boy
C
L
Statistics
Replies
1
Views
454
Country Boy
C
I
Give a 'weight' to a ranking
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1
Views
363
itzvenom95
I
H
A bag contains x beads. Calculate the value of x.
Replies
1
Views
350
Country Boy
C
A
question help
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0
Views
200
alexandravo
A
Monoxdifly
[ASK] Probability with Factors
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2
Views
302
Monoxdifly
Monoxdifly
M
Random Sampling Question
Replies
1
Views
324
Country Boy
C
karush
[SOLVED] stat.02 Find the value of the new variance
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2
Views
397
Country Boy
C
S
Probability
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1
Views
676
Country Boy
C
L
Probability
Replies
1
Views
1K
Country Boy
C
A
Help calculating a z score
Replies
1
Views
556
GJA
G
A
Word problem for winning percentage
Replies
1
Views
645
Country Boy
C
C
Correlation
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0
Views
325
cajswn
C
E
Online course for probability and statistics with emphasis on python
Replies
0
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275
Emekadavid
E
J
Real Estate math word problem help
Replies
3
Views
441
Country Boy
C
M
Monty Hall Problem with 4 doors
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0
Views
404
MichaelLiu
M
M
How many triangles can be made given these points? Combinations and Permutations
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3
Views
365
Opalg
Opalg
evinda
What will the minister do?
Replies
1
Views
356
Klaas van Aarsen
Klaas van Aarsen
evinda
Relative variance
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1
Views
283
Klaas van Aarsen
Klaas van Aarsen
M
Permutation Problem SWITZERLAND
Replies
3
Views
783
Opalg
Opalg
K
I need help. x1 + x2 + x3 + x4 = 12 with at least one variable equal or greater than 5
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0
Views
661
Kayton
K
T
Risk and Odds of daily production
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0
Views
381
throwawayo_k
T
Y
Squared Error of Estimation
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0
Views
483
YossiM
Y
D
I need help. Have no idea how to solve any os these.
Replies
4
Views
611
Country Boy
C
J
Probability: Find the number of ways to form 4-digit numbers >3000
Replies
4
Views
1K
Joe_1234
J
Dhamnekar Winod
Expected value and equality to sums
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4
Views
596
Dhamnekar Winod
Dhamnekar Winod
H
What is the probability that at least 5 was shown for 5 or more times?
Replies
4
Views
451
MarkFL
M
karush
[SOLVED] c Expected value for the total number of points awarded on any toss of coins
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6
Views
851
karush
karush
karush
[SOLVED] -find probability it will rain both days
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3
Views
575
HallsofIvy
H
I
Probability distribution: Estimate the size of the fox population
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2
Views
442
Istar
I
I
In how many ways can Ben paint his apartment?
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4
Views
446
Istar
I
I
Discrete Probability: What is the expected value of cup of coffee to the customer
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5
Views
823
MarkFL
M
C
What is the probability that exactly 8 of them are over the age of 65
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1
Views
2K
HallsofIvy
H
C
Find the probability of 1 tire with low air pressure P (1)
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0
Views
584
Crowbarr
C
H
Tom claims that there is over a 60% chance that you can win a 10 or 5 prize. Is his claim correct
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1
Views
1K
HallsofIvy
H
M
possible combinations for six digit license plates, numbers 0-9 and letters a-z.
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1
Views
4K
joypav
J
Monoxdifly
Find the number of ways of giving 31 cupcakes to 5 students each receives odd number of cupcakes to each one
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3
Views
2K
Klaas van Aarsen
Klaas van Aarsen
Monoxdifly
the number of possible permutations for the assessment
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2
Views
1K
Monoxdifly
Monoxdifly
P
Dice throwing probabilities
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8
Views
3K
Peterconfused
P
R
One is blindfolded to choose 11 socks randomly, find the probability of choosing 11 reds in a row
Replies
3
Views
6K
Gaffer
G
G
How many white balls in the container must be at least so that the probability that two black balls were drawn was < 23/30
Replies
2
Views
1K
ghostfirefox
G
Monoxdifly
[ASK] Probability of Getting the Main Doorprize
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3
Views
2K
Monoxdifly
Monoxdifly
S
Probability calculation of dependent events with limitations
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0
Views
1K
Slyv3r
S
S
Confused About Mutual Exclusivity with More Than Two Events
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13
Views
2K
Ackbach
Ackbach
L
Pricing (VAT)
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1
Views
1K
HallsofIvy
H
M
Find the probability all 5 dice rolls are the same
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2
Views
2K
marcadams267
M
L
Probability of Having a Disease
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1
Views
977
HallsofIvy
H
Monoxdifly
[ASK] A die is tossed 100 times. What's the expected frequency that the number appears will be 4
Replies
2
Views
2K
Monoxdifly
Monoxdifly
A
Probability of cancer because of microwaves
Replies
1
Views
922
HallsofIvy
H
M
help explaining unrounding concepts
Replies
3
Views
1K
Klaas van Aarsen
Klaas van Aarsen
T
how many people will be in the top 10% in at least one examinations
Replies
2
Views
882
Tomacork
T
V
Number of ways to color a grid
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0
Views
663
Viking
V
W
Which class has the greatest frequency and which has the least frequency
Replies
1
Views
2K
HallsofIvy
H
Z
Need to find the probability of receiving 8 pairs of identical boxes choosing from 8 items 16 times?
Replies
1
Views
965
HallsofIvy
H
K
Find the probability of AT LEAST three 6s occurring when rolling five six-sided dice all at onc
Replies
1
Views
3K
HallsofIvy
H
S
Using ratios to calculate weights in a weighted average (or not)
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0
Views
2K
steveistumped
S
M
Boxplot question
Replies
1
Views
1K
Jameson
Jameson
J
Find the probability where two throws are the same (a double) when throwing a 6-sided die 5 times
Replies
1
Views
2K
Opalg
Opalg
P
If he chooses randomly, how many ways can Akio form his starting lineup
Replies
1
Views
1K
MarkFL
M
F
What are the chances that someone in the shop during those two hours was a student who came in for office hours
Replies
2
Views
915
f666
F
S
Probability of a random subset of Z
Replies
1
Views
2K
Evgeny.Makarov
E
C
Conditional probability given 2 scenarios: probability of meeting male and a female in the shop
Replies
1
Views
2K
Country Boy
C
L
Levels of Measurement, Basic OLS Regression Questions
Replies
1
Views
1K
lomaxbridges
L
R
null hypothesis and alternate hypotheses
Replies
1
Views
1K
Jameson
Jameson
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