SOLUTION: Express the confidence interval in the form of P � E. 15) -0.128 < p

SOLUTION: Express the confidence interval in the form of P � E. 15) -0.128 < p < 1.212

Question 313892: Express the confidence interval in the form of P � E.

15) -0.128 < p < 1.212

Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
Express the confidence interval in the form of P � E.

-0.128 < p < 1.212


First find the mean value (average) P of -0.128 and 1.212



Then the difference between the mean value P and the lower value



is the same as the difference between the upper value and the 
mean value



and this value is the "Error", E.

Thus in the form P � E, the answer is

0.542 � 0.67

Edwin

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