468 reputation
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bio website msemac.redwoods.edu/~darnold/…
location Eureka, California
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visits member for 1 year, 6 months
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Jun
13
comment Inverse of partitioned matrix, checking result
Excellent suggestion, and it worked.
Jun
13
accepted Inverse of partitioned matrix, checking result
Jun
13
asked Inverse of partitioned matrix, checking result
Jun
12
accepted Marginal pdf $f_2(y)$ is proportional to $g_2(y)$.
Jun
12
comment Marginal pdf $f_2(y)$ is proportional to $g_2(y)$.
Very helpful. Thanks.
Jun
12
asked Marginal pdf $f_2(y)$ is proportional to $g_2(y)$.
Jun
8
revised If F is a cumulative distribution function, then $\lim_{x\to\infty}F(x)=1$
added 66 characters in body
Jun
8
comment If F is a cumulative distribution function, then $\lim_{x\to\infty}F(x)=1$
Agree, making a correction.
Jun
8
asked If F is a cumulative distribution function, then $\lim_{x\to\infty}F(x)=1$
Jun
6
comment Transform rectangular region to region bounded by $y=1$ and $y=x^2$
OK, I do see that if you fix $v$ then $u$ varies between $u=-\sqrt v$ and $u=\sqrt v$, but why does that make you pick $x=u\sqrt v$ and $y=v$?
Jun
6
comment Transform rectangular region to region bounded by $y=1$ and $y=x^2$
This answer appears to be correct. I'm sorry, I'm just not seeing how you did this so quickly and easily.
Jun
6
comment Transform rectangular region to region bounded by $y=1$ and $y=x^2$
Two questions: 1) How did you figure this out? 2) I don't think it is correct as I believe it maps the region $(-1,1)\times(0,1)$ into the region $(-1,1)\times(0,1)$ minus the region bounded by the curves $y=1$ and $y=x^2$.
Jun
6
asked Transform rectangular region to region bounded by $y=1$ and $y=x^2$
Jun
3
asked The p.d.f as a derivative of the c.d.f.
Jun
3
accepted What is a bounded discrete random variable
Jun
3
comment What is a bounded discrete random variable
And this means that the normal random variable Z is unbounded?
Jun
2
asked What is a bounded discrete random variable
Apr
25
awarded  Popular Question
Apr
14
awarded  Popular Question
Apr
13
comment Case C: Euler's equation in Simmon's textbook
I've adjusted my work above to reflect what I learned from your comment. Am I understanding this properly?