# Activity Stream

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• Yesterday, 03:14 PM
Hi I have 2 constants and one variable (x). I need an easy ease - smooth transition function (something like "S" shape) between 2 constant...
7 replies | 87 view(s)
• Yesterday, 07:40 PM
ABCD is a trapezoid whose diagonals AC and BD intersect at the point E. If AB = 2/3 DC, prove that AE = 3/5 AB + 2/5 AD. My teacher recommended...
6 replies | 76 view(s)
• Today, 10:33 AM
Hello, Please help. In an ant colony, 690 ants die in four days. Each night, 35 more ants die than the night before. How many ants died on the...
3 replies | 39 view(s)
• Yesterday, 08:17 PM
Hello all I am trying to learn more about statistics and wanted to ask the following questions:- 1) Are the following terms mean the same...
2 replies | 31 view(s)
• Today, 07:00 AM
Good afternoon, I know that in the long run you can never win at roulette. The casino will always win, even if you are using the Martingale...
2 replies | 29 view(s)
• Yesterday, 07:53 PM
Hi Guys, I'm not trained in mathematics, but I need to explain the following in such terms. Could you please assist? Three values are ranked...
1 replies | 37 view(s)
• Yesterday, 07:04 PM
Interpretation of simple linear regression: 94 hurricanes * Assume that the sample data satisfies all assumptions for linear regression. >...
0 replies | 24 view(s)
• Today, 02:29 PM
The probability is 62.5% EXACTLY if we guess that the probability of choosing any specific number from 1 through 96 inclusive is equal to the...
13 replies | 173 view(s)
• Today, 02:20 PM
Thank you. I have this data; Since v is our variable; I need to make a f(V) function, including c1, c2, cmid, vmin, vmax and vmid values. ...
7 replies | 87 view(s)
• Today, 12:52 PM
De Moivre (1667 - 1754) gave a solution for the probability of a run of successes in a series of trials in his book "The Doctrine of Chances"...
2 replies | 29 view(s)
• Today, 12:33 PM
How have I never heard of these? Thanks, Halls.
7 replies | 87 view(s)
• Today, 12:32 PM
Okay, then look at this: https://en.wikipedia.org/wiki/Logistic_function
7 replies | 87 view(s)
• Today, 12:29 PM
...or any other game deliberately designed to make money for the house. The problem with this silly strategy is the exponentially increasing size...
2 replies | 29 view(s)
• Today, 11:42 AM
We have found that it is very difficult to find out where a child is having difficulties if we do not speak with the child. Please have the child use...
3 replies | 39 view(s)
• Today, 11:03 AM
Usually we do not provide complete solution, but rather help students. Since you are trying to help a 10 year I guess that I can help you. Here is a...
3 replies | 39 view(s)
• Today, 11:02 AM
In my opinion, this is an ill-posed problem. My interpretation of "690 ant dies in four days" - will include dead-ants of fourth night. Then I...
3 replies | 39 view(s)
• Today, 09:53 AM
Can we get just a function that shows easily constant1, constant2 and variable? As I said I really can't figure it out
7 replies | 87 view(s)
• Today, 08:02 AM
Look at this: https://en.wikipedia.org/wiki/Mollifier#frb-inline
7 replies | 87 view(s)
• Today, 01:34 AM
I am so sorry but that even made it complicated for me. sorry but I don't get it. I feel kinda dumb right now. haha. I just answered it the way I see...
13 replies | 173 view(s)
• Today, 01:29 AM
I did a very quick calculation on excel (I attached it in jpg format and sorry if you need if you can't really see it or just try.). the first column...
13 replies | 173 view(s)
• Today, 01:12 AM
I got help to get into Purdue University because whites are one of the minorities in the Quantum program. Asians were the majority. And boy oh boy...
15 replies | 264 view(s)
• Today, 12:59 AM
You do need 60/96. If you take a test and get 60 points out of 96, then what would you exact to get if the test was out of a 100 points. The answer...
13 replies | 173 view(s)
• Today, 12:56 AM
That's what I thought.
13 replies | 173 view(s)
• Today, 12:53 AM
I suspect that pka simply forgot that "none of the above" was an option. All the other numeric options were obviously wrong once you are looking at...
13 replies | 173 view(s)
• Today, 12:45 AM
This is at least true for some kids. Back in the early sixties, when I was a senior in high school taking an AP calculus course, the strongest boy in...
15 replies | 264 view(s)
• Today, 12:40 AM
oh yes sorry. sure. but I don't get why not bother saying 5/8 or 60/96. Can you explain it a bit more? thank you.
13 replies | 173 view(s)
• Today, 12:32 AM
nice one pka!
15 replies | 264 view(s)
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