A Coffee-Dispensing Machine Is Supposed to Deliver 8 Ounces of Liquid

question 61

Multiple Choice

A coffee-dispensing machine is supposed to deliver 8 ounces of liquid into each paper cup, but a consumer believes that the actual mean amount is less.The consumer obtained a sample of 49 cups of the dispensed liquid with average of 7.75 ounces.If the sample variance of the dispensed liquid per cup is 0.81 ounces, and α = 0.05, the p-value is approximately __________.

• A)0.05
• B)0.025
• C)0.06
• D)0.015
• E)0.10

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