Mathematics, 02.12.2019 21:31 nacho5317
Arandom sample of size n1=22, taken from a normal population with a standard deviation σ1=5, has a mean x1=73. a second random sample of size n2=31, taken from a different normal population with a standard deviation σ2=3, has a mean x2=38. find a 96% confidence interval for μ1−μ2.
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Arandom sample of size n1=22, taken from a normal population with a standard deviation σ1=5, has a m...
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