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Mathematics, 10.12.2019 04:31 oneicyahdaley10
Arandom sample of size n1= 25, taken from a normal population with a standard deviation σ1= 5, has a mean x1= 80. a second random sample of size n2=36, taken from a different normal population with a standard deviation σ2=3, has a mean x1= 75. find a 94% confidence interval for μ1-μ2.
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Arandom sample of size n1= 25, taken from a normal population with a standard deviation σ1= 5, has a...
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