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 Dec 9 awarded Caucus Nov 22 revised How to find probability? Formatting, language, mathjax Nov 22 comment How to find probability? @alonsos I just put in an edit with proper formatting, just needs to be approved. Nov 22 suggested approved edit on How to find probability? Nov 18 comment Average number of tries to reach 5 successes. Well I apologize for the misunderstanding then. Thank you. Nov 18 comment Average number of tries to reach 5 successes. Good answer, though 'And a failed flip when n=0' is wrong, you may have not seen the edit, but if n=0, the flip always succeeds. Nov 18 comment Average number of tries to reach 5 successes. I've edited question to reflect that. Nov 18 revised Average number of tries to reach 5 successes. added 153 characters in body Nov 18 comment Average number of tries to reach 5 successes. @AndréNicolas No, the lowest it goes is 0. Nov 18 comment Average number of tries to reach 5 successes. @Alistair The first coin, filling in the first blank that is at $1$ probability. Nov 18 asked Average number of tries to reach 5 successes. Oct 29 comment find the least positive residue of $1!+2!+3!+…+100!$ modulo each of the following integers What do you mean.. residue? Oct 29 revised what is the limit of this special linear function? Please don't ask about why it's bad or wrong, and no need to call it a stupid system. Also, formatting. Oct 29 suggested rejected edit on Closed-form of $\tan(\frac{\pi }{9})$. Oct 29 suggested approved edit on what is the limit of this special linear function? Oct 16 revised $\mathbb Z^n$ as a proper quotient of $\mathbb Z^m$ formatting Oct 16 comment Does every vector space have an inner product? What have you tried? Why do you think yes? Oct 16 comment Let $f(x)= (\sin x)^x$ Find $f'(\frac{\pi}{2})$ +1 for being clever. Hadn't thought of this. Oct 16 suggested approved edit on $\mathbb Z^n$ as a proper quotient of $\mathbb Z^m$ Oct 7 awarded Good Question