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• 08-10-2018, 07:19 AM
Yes, I get it! Thanks so much to both of you (Jeff+ Dr.P) for the help. It's funny how I just applied the upper bound number to the denominator...
6 replies | 219 view(s)
• 08-09-2018, 08:50 AM
Thanks for answering, Dr. Peterson. It might well be that the text book is wrong (again!). To be honest, I can't immediately grasp why you use...
6 replies | 219 view(s)
• 08-08-2018, 01:08 PM
Here is the question it is no. 10 below: The first issue that bugged me was the fact that it gives the weight of the cylinder and not the...
6 replies | 219 view(s)
• 07-29-2018, 07:17 PM
Ah, I see I stupidly added the x's without the doubling each time. What I'm still not clear about is why my dividing 1 by 2^9 is wrong, it seems to...
5 replies | 160 view(s)
• 07-29-2018, 05:40 PM
Sorry.. I made a stupid typo, I multiplied the first term I got by 2^9 not 2^5. But was my method correct? Am I right in saying the probabilities...
5 replies | 160 view(s)
• 07-29-2018, 03:45 PM
Here's the question: A spinner is constructed so that the numbers 1 to 10 are possible and the probability of seeing a number k+1 is twice as...
5 replies | 160 view(s)
• 07-29-2018, 09:01 AM
(As for being polysemic, I'd just call the question ambiguous, or poorly written. (But that's a nice word.) In my mind, nothing is ever said about...
4 replies | 225 view(s)
• 07-28-2018, 03:01 PM
The question is no. 6 on this page: ( hope you can read it-have had trouble getting files accepted so use low resolution, maybe too low!) I...
4 replies | 225 view(s)
• 07-26-2018, 04:07 AM
Yes, I followed those steps and the file size is no bigger than before - must have something to do with my move to Windows Ten and a new scanner app...
4 replies | 242 view(s)
• 07-26-2018, 03:26 AM
Hi- I've just got a new computer and 'migrated' to Windows 10. So now every time I try to post a scanned image as part of a question the site seems...
4 replies | 242 view(s)
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