Mack

1,223 reputation

bio	website
	location	Saratoga, NY
	age	20
visits	member for	7 months
	seen	6 hours ago
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I am just a man who has an insatiable desire for knowledge.

"For the rest, brethren, whatever is true, whatever is worthy of reverence and is honorable and seemly, whatever is just, whatever is pure, whatever is lovely and lovable, whatever is kind and winsome and gracious, if there is any virtue and excellence, if there is anything worthy of praise, think on and weigh and take account of these things [fix your minds on them]."~ Philippians 4:8

	1,223 reputation	bio	website		visits	member for	7 months
7 badges		location	Saratoga, NY		seen	6 hours ago

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Mar 11	asked	Finding Mean Value and Standard Deviation
Mar 10	comment	Obscure Probability Question From my understanding of the question, they want me to find range of values, such that the area of this range is $.1 \%$. Aren't there an infinite amount of intervals we could choose that would meet this specification?
Mar 10	comment	Obscure Probability Question There are still an infinite amount of ranges though, right?
Mar 10	comment	Obscure Probability Question Do you possibly mean $ .05$\%? Are there an infinite amount of intervals?
Mar 10	asked	Obscure Probability Question
Mar 10	accepted	Interpreting The Integral Of A Vector-Valued Function
Mar 10	asked	Change Along A Tangent Line
Mar 10	accepted	Finding the x and y values such that the partial derivatives are zero simultaneously (part two)
Mar 10	comment	Finding the x and y values such that the partial derivatives are zero simultaneously (part two) Oh, I see. Thank you, Cameron!
Mar 10	comment	Finding the x and y values such that the partial derivatives are zero simultaneously (part two) Yes, that is what I did. Then I had simultaneous equations, $2y = 0$ and $2x = 0$. When I added the two equations together, I got $2x +2y = 0 \implies y = -x$.
Mar 10	asked	Finding the x and y values such that the partial derivatives are zero simultaneously (part two)
Mar 10	accepted	Finding the $x$ and $y$ values such that the partial derivatives are zero simultaneously
Mar 10	comment	Finding the $x$ and $y$ values such that the partial derivatives are zero simultaneously What I meant is that I didn't check if each partial derivative is equal to 2 at the same x and y values.
Mar 10	comment	Finding the $x$ and $y$ values such that the partial derivatives are zero simultaneously Oh, I see! So, the way I solved it gives me more solutions than I want. It includes the point when they are both zero, but it also includes when they are both, say, 2 (I didn't actually verify if they actually equal each other at that value). Is that correct to think?
Mar 10	comment	Finding the $x$ and $y$ values such that the partial derivatives are zero simultaneously Well, I figured since that both the partial derivatives were equal to zero, then they must equal each other. Why can't I just simply set them equal to zero?
Mar 10	asked	Finding the $x$ and $y$ values such that the partial derivatives are zero simultaneously
Mar 9	comment	Standardized Normal Distribution Problem Yes, that is what I get too. The answer keys says that 0.1336 is the answer.
Mar 9	comment	Standardized Normal Distribution Problem I'm terribly sorry. This was a question I was going to ask, but decided not to; and stackexchange saved the title.
Mar 9	asked	Standardized Normal Distribution Problem
Mar 9	comment	Determining The Value, c, A Random Variable Assumes I'm sorry. I think I am still a little confused about this problem. I thought that I was suppose to find two c-values, they being equal but having opposite sign. Furthermore, I thought I was suppose to find the area of the left and right tails.