Question: Suppose the plot below shows the distribution for the number of grandchildren members at a reThe label on a water bottle indicates the volume is

Suppose the plot below shows the distribution for the number of grandchildren members at a reThe label on a water bottle indicates the volume is 500 milliliters. A consumer claims that a particular brand consistently under fills their bottles. The table below shows volumes of a random sample of bottles from the brand in question. At the 5% level of significance, is there evidence to support the claim that the bottles are under filled? Assume the volume is normally distributed.

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