What is the probability that the purity of a solution

Reference no: EM13180259

Suppose the purity of a chemical solution y is related to the amount of a catalyst x through a linear regression model with B0=123, B1=-2.16, and with an error standard deviation sigma=4.1. What is the probability that the purity of a solution with a catalyst level of 30 is smaller than the purity of a solution with a catalyst level of 27.5?

Reference no: EM13180259

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