137 reputation
5
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location United States
age
visits member for 1 year, 11 months
seen 2 days ago

I'm a college CS grad who picks up freelance jobs when I have enough room in my schedule. Lately, in my spare time, I've been creating AI software applications on different platforms and drinking lots of milk. 1% only.


Mar
13
comment String probability (with conditional prob and combinations)
This definitely helps clarify for Q1 for the first bolded assumption. Thanks very much for taking the time to explain fully. If you could help me with the others, I'd greatly appreciate it! :)
Mar
13
comment Mary can answer 20/25 problems correct… simple probability
I appreciate the effort, but we're not quite to hypergeometrics yet, could you perhaps explain what about my answer (using the way it was formatted) was incorrect? I'd like to learn from my mistake.
Mar
13
comment Mary can answer 20/25 problems correct… simple probability
I didn't really know which should be used regarding 20/25 or 10/20, wasn't sure it would make a difference... :-/
Mar
13
asked Mary can answer 20/25 problems correct… simple probability
Mar
13
comment String probability (with conditional prob and combinations)
Thanks for the effort on the first one, could you explain it using combinations as I did so I can understand exactly where I went wrong? That would be great. An answer alone for the second doesn't do me much good though since I got it wrong and don't know how to find the 1/25 probability. :( I'm really looking to learn from my mistakes.
Mar
13
asked String probability (with conditional prob and combinations)
Aug
19
awarded  Commentator
Aug
19
accepted Roulette Conditional Probability
Aug
19
comment Roulette Conditional Probability
So, I was missing the (11 choose 4), figures! Thanks for taking the time to explain.
Aug
19
asked Roulette Conditional Probability
Aug
20
comment Probability - multinomial partitioning
+1 for explaining Xoff's answer a bit more clearly.
Aug
20
awarded  Student
Aug
19
comment Probability - multinomial partitioning
Strange, I must have done something wrong (again) calculating the combinations out. Apologies and thanks again! I'll remove my first comment to avoid confusion from others who may view this in the future.
Aug
19
awarded  Scholar
Aug
19
revised Probability - multinomial partitioning
deleted 271 characters in body
Aug
19
accepted Probability - multinomial partitioning
Aug
19
comment Probability - multinomial partitioning
See Byron's answer for what I was looking for. His answer not only explains that my calculation needed to be divided by two, but it shows how to correctly find the number of ways to select at least one bird of each species. I gave you a +1 for effort though, I appreciate your time and the attempt.
Aug
19
awarded  Supporter
Aug
19
suggested suggested edit on Probability - multinomial partitioning
Aug
19
comment Probability - multinomial partitioning
Dividing the whole thing by 2 isn't telling me anything I don't already know, I know my calculation is off by 1/2. I'm trying to figure out the error in my logic that led to me having to divide by 2. Dividing by 2 should not be necessary in a problem like this, you should be able to do the calculation and get a correct answer for the number of ways to select at least one of each species.