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

Question 40
Multiple Choice
Question 40
Multiple Choice

## At a water bottling facility, a technician is testing a bottle filling machine that is supposed to deliver 250 milliliters of water. The technician dispenses 50 samples of water and determines the volume of each sample. The 50 samples have a mean volume of $\bar { x } = 252.1 \mathrm {~mL}$ . The machine is out of calibration if the mean volume differs from $250 \mathrm {~mL}$ .The technician wants to perform a hypothesis test to determine whether the machine is ou calibration. The standard deviation of the dispensed volume is known to be $\sigma = 6.4$ . Comy value of the test statistic.

A) $0.30$
B) $2.32$
C) $5.87$
D) $0.33$

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