can you answer the most difficult math question

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Offline malylo

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can you answer the most difficult math question
« on: 09/11/2011 06:41:59 »
Use for Questions 1 and 2 A grocery store takes a random sample of 200 customers. The average check-out time is 4 minutes with a standard deviation of two minutes. 1. The standard error of the mean is? 2. The 95% confidence level for the true average check-out time is? 3. A random sample of 244 observations has a mean of 10, a median of 12 and a mode of 33. The population deviation is known to equal 2.8. the 95.44% confidence interval for the population mean is? 4. The following random sample was collected: 22 33 44 6 The 80% confidence interval for the mean is?
newbielink:http://www.spamanswer.com/Questions/QuestionInfo_10432.html [nonactive] [:(!] [:(!] [:(!]
« Last Edit: 09/11/2011 10:30:20 by imatfaal »

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Offline Nizzle

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Re: can you answer the most difficult math question
« Reply #1 on: 09/11/2011 10:28:47 »
I don't think anyone here is willing to do your homework for you :p

If you solve it yourself, you'll remember it better by the time you have your exam :)
Roses are red,
Violets are blue.
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but this one doesn't

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Offline imatfaal

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Re: can you answer the most difficult math question
« Reply #2 on: 09/11/2011 10:29:58 »
Agree with Nizzle - especially as the link (that I removed) made it look as if you might be getting paid for answering this question
Thereís no sense in being precise when you donít even know what youíre talking about.  John Von Neumann

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