Let X1, , Xn be a random sample from an N (1, 2) population and Y1, , Yn be an independent random sample from an N (2, 2) distribution where 2 is assumed to be known Construct a (1 ) 100 interval for (1 2) Interpret its meaning

Question: Let X1, . . ., Xn be a random sample from an N (1, 2) population and Y1, . . ., Yn be an independent

Let X1, . . ., Xn be a random sample from an N (µ1, σ2) population and Y1, . . ., Yn be an independent random sample from an N (µ2, σ2) where σ2 is assumed to be known. Construct a (1 – α) 100% interval for (µ1 – µ2). Interpret its meaning.

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