
Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 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...

Sep2309 08:25 PM
wooster

2 
4,861 
Say there are 60 people in a 180seat room. What's the probability that a particular seat will be vacant?

May3010 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...

Dec409 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...

May111 04:10 PM
Mquest

2 
1,368 
Does physics or mathematics allow for a probability of a probability?

Nov1103 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...

Feb407 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...

Jul2810 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...

Jul2408 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...

Oct2310 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...

Jul3108 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...

Sep1808 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...

Jul1510 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...

Dec412 03:16 AM
Cylab

56 
5,765 
Fields of singular probabilities are inherent to quantum mechanics, but what method determines the statistics of curve...

May3004 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...

Jun2513 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...

Nov1512 03:27 PM
CaseyJRichard

2 
817 
Hello everyone, I feel ashamed to be asking someone to explain such simple notation to me, but I’m having serious...

Oct3003 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...

Aug113 08:12 PM
phya2020a

5 
779 
Hi, just curious as to whether one can use nonstandard reals to avoid issues of
measure 0 events, i.e., all points...

Jul2412 01:54 PM
Bacle2

0 
696 
Let \mathcal B(\Omega) be the Borel algebra of \Omega (the σalgebra of Borel sets in \Omega). I understand that if we...

Sep2211 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...

Jan2808 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? ...

Dec1611 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...

May1111 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,...

Oct2107 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...

Aug809 09:07 AM
Focus

1 
1,112 
Dear all,
I wonder wheather there exsits a probability inequality for the sum of independent normal random...

Jul2607 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...

Feb913 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...

Feb1908 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...

Oct1010 02:19 PM
Xinio64

0 
731 
Hi,
I have trouble understanding the convergence of empirical histogram to probability histogram and the...

Nov2807 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 }...

Oct2011 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...

Dec911 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....

Oct2111 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...

Aug2911 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...

Aug1808 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...

Apr1811 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...

Nov911 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...

Jun1012 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...

Apr2414 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...

Sep1209 01:35 AM
xplosiv

10 
3,129 