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Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and...

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Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate cadmium at high concentrations. Some governments have a safety limit for cadmium in dry vegetables at 1.3 parts per million (ppm). Ahypothesis test is to be performed to decide whether the mean cadmium level in a certain mushroom is not equal to the government's recommended limit. Complete parts (a) through (c) below.( )a. Determine the null hypothesis.Houppm

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