Formulate the hypothesis for an experiment Problem 9-146 from the textbook -O An

Question

Formulate the hypothesis for an experiment Problem 9-146 from the textbook -O An inspector of flow metering devices used to administer fluid intravenously will perform a hypothesis test to determine whether the mean flow rate is different from the flow rate setting of 200 milliliters per hour. Based on prior information, the standard deviation of the flow rate is assumed to be known and equal to 12 milliliters per hour. )What is being tested? a) What is Ho? 3 What is H,? 4) What distribution would be used for the critical value and test statistic?

Explanation / Answer

The mean flow rate is different from the flow rate setting is 200

H0: The mean flow rate is 200

H1: The mean flow rate is not equals to 200

we use t test

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