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
Group of answer choices
0.036
0.025
0.077
0.043
0.067