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Set Theory, Logic, Probability, Statistics

- Fundamentals: Set theory, logic and proofs. Probability and statistics
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Jan16-12 Greg Bernhardt
Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:25 AM
micromass
1 31,973
Hello everyone, First post here so be kind :) I am working on a problem, that should be easy, but I just want to...
Sep23-09 08:25 PM
wooster
2 4,861
Say there are 60 people in a 180-seat room. What's the probability that a particular seat will be vacant?
May30-10 08:21 AM
moonman239
2 736
What is the probability that a run of exactly L consecutive heads (or tails) appears in N independent tosses of a...
Dec4-09 06:24 AM
grad
11 3,303
Hi guys, I have a question re: random numbers and probability. If I have a random number generator that generates a...
May1-11 04:10 PM
M-quest
2 1,368
Does physics or mathematics allow for a probability of a probability?
Nov11-03 04:32 PM
fsteveb
10 5,686
Hey, lets take for example the probabilities when u throw 100 times a coin (lets say it cant be corner) ok , the...
Feb4-07 02:59 PM
JPC
15 2,128
Imagine a simple chocolate bar promotion in which there is a 6 in 1 chance of winning another bar. My question is; If...
Jul28-10 04:21 PM
Jamma
4 1,084
Why do we look at the probability of a given data set given the parameters, as opposed to the probability of the...
Jul24-08 03:55 AM
quadraphonics
2 945
Suppose X and Y are continuous random variables with the joint pdf f_{xy}(x,y) on the \times square. Is the...
Oct23-10 04:57 PM
mathman
5 1,224
What's the probability that a confidence interval (with alpha=10%), will have at least 85 of 100 predicted means...
Jul31-08 11:48 PM
shalomhk
2 1,241
Hi, I have been reading the book "200% of Nothing" by A K Dewdney, which explains various math abuses experienced...
Sep18-08 01:15 PM
phyti
4 1,821
Hi This question has been driving me mad, hoping someone will be able to help me The question is: A bag...
Jul15-10 10:43 PM
SW VandeCarr
34 7,126
text files consists of 0&1 bits. But in ASCII, Most Significant Bit(MSB) is 0, so we have more 0s than 1s. Assume...
Dec4-12 03:16 AM
Cylab
56 5,765
Fields of singular probabilities are inherent to quantum mechanics, but what method determines the statistics of curve...
May30-04 10:47 PM
Loren Booda
3 2,004
The question is this: "An urn is filled with 8 green balls, 2 red balls, and 6 orange balls. Three balls are...
Jun25-13 11:50 PM
Bacle2
3 834
In probability, P(A) is the probability of event A occurring. What is O(A), in the same context? I've tried looking...
Nov15-12 03:27 PM
CaseyJRichard
2 817
Hello everyone, I feel ashamed to be asking someone to explain such simple notation to me, but Iím having serious...
Oct30-03 09:37 AM
jcsd
3 25,966
Hi math gurus . I have probability modeling question. There are 5 coins A, B, C, D,E,F . Each coin has 2 outcomes...
Aug1-13 08:12 PM
phya2020a
5 779
Hi, just curious as to whether one can use non-standard reals to avoid issues of measure 0 events, i.e., all points...
Jul24-12 01:54 PM
Bacle2
0 696
Let \mathcal B(\Omega) be the Borel algebra of \Omega (the σ-algebra of Borel sets in \Omega). I understand that if we...
Sep22-11 12:02 AM
Fredrik
4 1,847
An aircraft requires 25 rivets. The seam will have to be reworked if any of these rivets is defective. Suppose...
Jan28-08 04:07 AM
tronter
2 1,990
What is the difference between a probability mass function and a probability measure or are they just the same thing? ...
Dec16-11 07:56 PM
SW VandeCarr
2 2,206
Hi, If I have a joint probability mass function p_{X,Y}(x,y), can we get the marginal probability mass functions...
May11-11 05:13 PM
S_David
10 2,907
You are in a jungle, at each second a bee lands on your arm with a probability of 0.5. Given that a bee lands on you,...
Oct21-07 11:13 PM
EnumaElish
3 9,386
Hi Guys, Does anyone know any good sources to learn the more advanced probability topics such as multivariate...
Aug8-09 09:07 AM
Focus
1 1,112
Dear all, I wonder wheather there exsits a probability inequality for the sum of independent normal random...
Jul26-07 12:34 PM
EnumaElish
3 5,218
http://i48.tinypic.com/244tkkj.png In this game you roll six dice. After each roll you must take at least one die...
Feb9-13 10:00 PM
Simon Bridge
3 798
Hi guys. A question came to me as I'm playing a card game with 4 players. Let's say the full deck (of 52 playing...
Feb19-08 04:11 PM
mathman
1 4,199
"The compressive strength of a concrete specimen follows a normal distribution with a mean value of 2.8 ksi and a...
Oct10-10 02:19 PM
Xinio64
0 731
Hi, I have trouble understanding the convergence of empirical histogram to probability histogram and the...
Nov28-07 09:49 PM
Office_Shredder
1 6,311
Let (S, ε, P) be a probability space and let A be an element of ε with P(A)>0. Let F={AπE :E is an element of ε }...
Oct20-11 10:36 PM
disregardthat
3 887
If i have a standard 80% chance of wining and 20% chance of losing than what is the chance of me losing 5 times in a...
Dec9-11 03:37 PM
mathman
1 793
Last week, Pat caught n distinct fish from Lake Nebagamon, but threw all of them back at the end of the fishing trip....
Oct21-11 03:33 AM
anigeo
1 804
So I took probability last year, and for one of my classes we have an optional refresher worksheet, but I cannot...
Aug29-11 10:53 PM
I like Serena
1 1,107
An internet service provider uses 50 modems to serve the needs of 1000 customers. It is estimated that at a given...
Aug18-08 09:12 PM
CRGreathouse
1 1,265
Heres the question. A box contains twenty objects. Seven are red. Seven are marble. Seven are glass. there are 3...
Apr18-11 12:04 PM
efigen
4 977
Suppose that for adults in a certain population 40% are male, 38% smoke, and 12% are female smokers. What is the...
Nov9-11 12:51 AM
ektrules
1 879
In a betting game a player gets to 3 chances to play after betting 6 dollars. The player must roll a 4 on a die. If he...
Jun10-12 06:15 PM
haruspex
1 940
I've been wondering about a simple question that I can't just google and get the answer to. Usually when we calculate...
Apr24-14 03:41 PM
Hornbein
3 354
Hey guys thought this was an interesting problem that our lecturer purposed: Pick any word in the first few lines...
Sep12-09 01:35 AM
xplosiv
10 3,129

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