ndugu
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does harpies kill
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Posted: 2011-07-03 08:53:00
A random sample of 40 college students has a mean earnings of $3120 with a standard deviation of $677 over the summer months. Determine whether a normal distribution or a t-distribution should be used or whether neither of these can be used to construct a confidence interval
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Posted: 2011-07-14 05:42:00
IQ test scores are normally distributed with a mean of 104 and a standard deviation of 17. An individual's IQ score is found to be 110. Find the z-score corresponding to this value
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Posted: 2011-07-08 01:25:00
IQ test scores are normally distributed with a mean of 104 and a standard deviation of 17. An individual's IQ score is found to be 110. Find the z-score corresponding to this value
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Views: 647
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Posted: 2011-07-08 01:26:00
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