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• Yesterday, 09:11 PM
Hmm, no responses so far. Well, a suggestion from a colleague of mine was that even if A and B have some non-zero covariance, the samples A^i and B^j...
1 replies | 181 view(s)
• Yesterday, 01:50 PM
WHOAH. Back. Up. A. Step. I assume that you mean that your target return on investment is 6% slash 0.6. Not 6% divided by 0.6. If it was meant...
2 replies | 244 view(s)
• Yesterday, 01:32 PM
In the first step, where you took the natural log of both sides, you assumed that ln(a+b) = ln(a)+ln(b). This is not true.
1 replies | 142 view(s)
• 11-13-2018, 03:04 PM
Hello everyone, This is not homework, it's a real problem I encountered in data analysis. I'll try to state the problem as clearly as possible,...
1 replies | 181 view(s)
• 11-13-2018, 02:11 PM
Hi Erwin1998, welcome to the forum. It's been a while since I've had to think about bending moment (Introductory Mechanics, basically). But having...
3 replies | 252 view(s)
• 11-12-2018, 10:30 PM
Yes No. Again, you need to understand what the Z-table is telling you. This tells you that the probability of being this far below the mean...
4 replies | 318 view(s)
• 11-12-2018, 10:26 PM
Yeah, but you need to be aware of what the "positive Z-table" is telling you. It's telling you the probability of being less than or equal to the...
4 replies | 318 view(s)
• 11-12-2018, 12:32 AM
Hi StatsBeginner, Let's consider the first case first: You're looking for evidence that value 94 is unusual somehow. In this case, that means...
4 replies | 318 view(s)
• 11-04-2018, 02:54 PM
With all of the above information in mind, we are finally in a position to answer the question of what is the distance that a photon, leaving...
11 replies | 410 view(s)
• 11-04-2018, 02:53 PM
Hi sinx. The answer to this is not short, but ok , here goes: sinx, your calculation doesn't work because you have treated the 68k number as being...
11 replies | 410 view(s)
• 11-04-2018, 02:20 PM
As far as I can tell, the OP isn't asking a question, just making a statement. Yes, it is an interesting and perhaps sobering result that a good...
11 replies | 410 view(s)
• 10-27-2018, 05:38 PM
Could you just read a bit more carefully please? I always quoted which post I was referring to. I already replied telling you that I thought 9.2 was...
13 replies | 473 view(s)
• 10-23-2018, 09:16 PM
This seems right to me:...
13 replies | 473 view(s)
• 10-23-2018, 09:00 PM
Yes, something is dramatically wrong, unfortunately. You're treating the random variable X as though it were discrete, i.e. it could only take on...
13 replies | 473 view(s)
• 10-23-2018, 08:49 PM
No. This doesn't make sense. Nothing is discrete here. What if your usage had been BETWEEN 3 GB and 4 GB? You'd be in the regime where you were...
13 replies | 473 view(s)
• 10-23-2018, 06:15 PM
Let's call the next level you want to get to L (so the current level is L-1), and the number of experience points (XP) needed to get to that next...
4 replies | 484 view(s)
• 10-19-2018, 12:15 PM
Hey @Fillipuster: Can you explain what you mean by "precision?" Any raster-graphic is going to have finite precision, because it has pixels of...
3 replies | 209 view(s)
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