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The R.D. Wilson Company makes a soft drink dispensing machine that allows customers to get soft...

The R.D. Wilson Company makes a soft drink dispensing machine that allows customers to get soft drinks from the machine in a cup with ice. When the machine is running properly, the average number of fluid ounces in the cup should be 14. Periodically the machines need to be tested to make sure that they have not gone out of adjustment. To do this, six cups are filled by the machine and a technician carefully measures the volume in each cup. Which of the following would be the correct alternative hypothesis if the company wishes to test the machine?

Ha: μ ≠ 14 ounces

Ha: μ > 14 ounces

Ha: μ = 14 ounces

Ha: μ < 14 ounces

math   Statistics-And-Probability   
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Answer #1

this is the two tailed test .  

The null and alternative hypothesis is ,

H0 :   = 14

Ha :     14

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