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• Yesterday, 19:16
Thank you very much for pointing this out! This is a huge security vulnerability related to the username markup add-on. I found a way to fix that...
15 replies | 420 view(s)
• April 19th, 2018, 16:28
I would say, yes. Plus, if "effectively" is a statement about resources, then the algorithm takes reasonable time and storage. But it may sound this...
4 replies | 46 view(s)
• April 19th, 2018, 16:09
It would be helpful to know the context. If "effectively" means "with reasonable resources, i.e., time and storage", then it means precisely that:...
4 replies | 46 view(s)
• April 19th, 2018, 07:45
Sorry mathmari! I quickly read the question and saw that you were formulating a two sample question but I didn't catch that it could be condensed...
10 replies | 78 view(s)
• April 18th, 2018, 21:59
Hey mathmari, I would use the second way to frame this. This link should be useful for comparing two samples of proportions. - Not a two...
10 replies | 78 view(s)
• April 14th, 2018, 22:50
Hi there, How does the area of the shaded region relate to a p-value in hypothesis testing? In a left-tailed test is the area we look at the area...
1 replies | 44 view(s)
• April 14th, 2018, 22:49
Hi lola9991, How would you explain or write Bayes' Theorem to start? How would you write A in conditional probability notation?
1 replies | 47 view(s)
• April 14th, 2018, 22:47
Hey mathmari, I agree with your problem set up. Most people really fail to understand the concept of a p-value as a conditional probability and...
10 replies | 96 view(s)
• April 11th, 2018, 10:33
Evgeny.Makarov replied to a thread Jokes in Chat Room
A similar joke. TV anchor: We present our reporter John Smith at the site of the Large Hadron Collider, where an accident occurred this morning....
169 replies | 23457 view(s)
• April 9th, 2018, 19:01
I am not sure I am familiar with the rule that allows writing...
7 replies | 105 view(s)
• April 8th, 2018, 04:39
Formally a category is a triple whose first element is a class of objects. A class, because, strictly speaking, it may not be a set, for example,...
6 replies | 123 view(s)
• April 6th, 2018, 23:40
Here is this week's POTW: ----- Prove that \frac{x!}{x^x}\le \frac{1}{2^{x-1}} for all positive integers $x$. ----- Remember to read the...
1 replies | 129 view(s)
• April 6th, 2018, 22:51
Congratulations to the following members for their correct solution:): 1. kaliprasad 2. Opalg Solution from Opalg: Let $A$ and $B$ be...
1 replies | 125 view(s)
• April 6th, 2018, 21:21
A category does not have to have morphisms between every two objects. For example, in the category of sets there is no morphisms from a nonempty set...
6 replies | 123 view(s)
• April 6th, 2018, 18:40
\begin{tikzpicture} %preamble \usetikzlibrary{arrows} %preamble \usetikzlibrary{positioning} \node (A) {$A$}; \node (B) {$B$}; \node (C) {$C$};...
6 replies | 123 view(s)
• April 5th, 2018, 12:45
You are encouraged to ask specific questions about what I wrote. Instead of two people exchanging long statements that contain the whole argument...
9 replies | 203 view(s)
• April 4th, 2018, 20:28
It seems that your use of "finite" and "infinite" are not just typos, but revel and important issue that has to be cleared. All real numbers are...
9 replies | 203 view(s)
• April 4th, 2018, 17:32
In mathematics errors are often hidden in the use of concepts that are not defined precisely enough. To me it is unclear what you mean by a finite...
9 replies | 203 view(s)
• April 1st, 2018, 21:59
Hi jamcc09, Welcome to MHB! It's fitting that the player's name is Martin as his strategy is known as the Martingale strategy. I have to run...
2 replies | 94 view(s)
• March 31st, 2018, 07:31
That's not the definition of limit. And it's not the negation of the definition, either.
1 replies | 74 view(s)
• March 30th, 2018, 13:10
Hi Hrant, Welcome to MHB! This sounds like a real life problem, rather than a problem from a textbook or course. Am I right? If it's from a...
4 replies | 90 view(s)
• March 29th, 2018, 22:36
Jameson posted a visitor message on Peter's profile
Hi Peter, Thank you for pointing this out to me. I will talk it over with the staff. :) In the future there is a "report" button for posts...
• March 28th, 2018, 13:20
Here is this week's POTW: ----- Let $S$ be the set of the points whose the $x$, $y$ and $z$ coordinates are integers that satisfy \$0\le x \le...
1 replies | 125 view(s)
• March 28th, 2018, 13:12
Congratulations to the following members for their correct solution: 1. castor28 2. kaliprasad Solution from castor28: As the relation is...
1 replies | 129 view(s)
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