At a Water Bottling Facility, a Technician Is Testing a Bottle

question 63

Multiple Choice

At a water bottling facility, a technician is testing a bottle filling machine that is supposed to deliver 750 milliliters of water. The technician dispenses 38 samples of water and determines the volume of Each sample. The 38 samples have a mean volume of $\bar { x } = 751.1 \mathrm {~mL} .$ . The machine is out of Calibration if the mean volume differs from 750 mL.
The technician wants to perform a hypothesis test to determine whether the machine is out of calibration. The Standard deviation of the dispensed volume is known to be $\sigma = 5.1$ Compute the value of the test statistic.

• A) 3.00
• B) 1.33
• C) 0.18
• D) 0.22

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