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# A researcher claims that the amounts of acetaminophen in a certain brand of cold tablets have a standard deviation different from the = 3.3 mg...

A researcher claims that the amounts of acetaminophen in a certain brand of cold tablets have a

standard deviation different from the σ = 3.3 mg claimed by the manufacturer.

Assuming that a hypothesis test is conducted to test this claim, identify the

null hypothesis H0 and the alternative hypothesis Ha.