# Chi-Squared Distribution of Lactic Acid Concentrations

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1. Suppose that we will sample 20 chunks of cheese in Example 7.2.1. Let T = .... where Xi is the concentration of lactic acid in the ith chunk. Assume that sigma^2 = 0.09. What number c satisfies Pr(T<c)=0.9?

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Solution. Let . Then . ...

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The Chi Squared distribution is found for the lactic acid concentration in cheese.

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