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Naproxen, a generic anti-inflammatory, claims to have, on average, at least 50 milligrams of active ingredient....

Naproxen, a generic anti-inflammatory, claims to have, on average, at least 50 milligrams of active ingredient. An independent lab tests a random sample of 75 tablets and finds the mean content of active ingredient in this sample is 46.6 milligrams with a standard deviation of 9 milligrams. What is the approximate p-value for the suitable test?

A)  0.0016

B) 0.4992

C)  0.0008

D) 0.5008

E)  0.10

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