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| Subject:
probaility for normal distribution
Category: Miscellaneous Asked by: boomer4488-ga List Price: $2.00 |
Posted:
31 Mar 2006 06:05 PST
Expires: 30 Apr 2006 07:05 PDT Question ID: 713954 |
8. The daily water consumption for an Ohio community is normally distributed with a mean consumption of 800,000 gallons and a standard deviation of 80,000 gallons. The community water system will experience a noticeable drop in water pressure when the daily water consumption exceeds 984,000 gallons. What is the probability of experiencing such a drop in water pressure? |
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| There is no answer at this time. |
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| Subject:
Re: probaility for normal distribution
From: probonopublico-ga on 31 Mar 2006 07:50 PST |
It's highly probable. |
| Subject:
Re: probaility for normal distribution
From: mikomoro-ga on 31 Mar 2006 07:52 PST |
Oh no, it isn't. It will only happen in a Blue Moon. |
| Subject:
Re: probaility for normal distribution
From: probonopublico-ga on 31 Mar 2006 08:38 PST |
OK, shall we agree on 50/50? |
| Subject:
Re: probaility for normal distribution
From: reinedd-ga on 31 Mar 2006 09:23 PST |
P(X> 984,000 )=1-P(X<984,000) =1-P(Z<(984,000-800,000)/80,000) where Z ~ N(0,1) =1-P(Z<2.3) using Standard Normal (Z) Table http://www2.sjsu.edu/faculty/gerstman/EpiInfo/z-table.htm =1-0.9893 =.0107 |
| Subject:
Re: probaility for normal distribution
From: myoarin-ga on 31 Mar 2006 15:29 PST |
If it does happen, it will be during halftime of an exciting Ohio State basketball game that is being broadcast. |
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