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Consider two independent populations that are normally distributions. A simple random sample ofn1=50from the first population showedx1=58, and a simple random of sizen2=48from the second
Consider two independent populations that are normally distributions. A simple random sample ofn1=50from the first population showedx1=58, and a simple random of sizen2=48from the second population showedx2=48
Suppose1=3and2=9, find a 98% confidence interval for12. (Round answers to two decimal places.)
margin of error:
lower limit:
upper limit:
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