The yield of a chemical process is being studied. From previous experience yield is known to be normally distributed and The past 5 days of plant operation have resulted in the following percent yields: 91.6, 88.75, 90.8, 89.95, and 91.3. find a 95% two-sided confidence interval on the true mean yield. Select the correct response: (89.471, 91.849) (91.849, 89.472) (89.471, 91.489) (89.741, 91. 489) ( Previous Continue >

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