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The Dean of a university claims that no more than 10% of the students drop out of university. She chooses a random sample of 500 students and decides that she will accept the claim only if no more than 25 of the 500 students drop
asked by Anonymous on March 27, 2015 
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It is pretty common across most schools to find the grades at the MBA level divided between A's and B's. As such, you expect the mean GPA to be around 3.50. Using the sample of 200 MBA students, conduct a onesample hypothesis
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How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?
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How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?
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How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?
asked by Theresa llamas on October 6, 2010 
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How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?
asked by Theresa on October 6, 2010 
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What are the sample median and the mode for males? The sample mean mark of the 50 male students is 8.30. If the sample mean for the entire sample is 8.42, what is the sample mean for the 75 female students?
asked by Maria on September 12, 2012 
statistics
What are the sample median and the mode for males? The sample mean mark of the 50 male students is 8.30. If the sample mean for the entire sample is 8.42, what is the sample mean for the 75 female students?
asked by Maria on September 12, 2012 
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A school psychologist reports that the mean number of hours the students at this school sleep each night is 8 hours. The students believe the mean is not 8 hours. To find an estimate of the true mean, they select a random sample
asked by Anonymous on April 26, 2013 
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How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval? I was told last night that there would be an answer in a couple of
asked by theresa on October 7, 2010