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Determine testing a water sample for e-coli

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Question: 1. A microbiologist is testing a water sample for E-coli. Suppose the null hypothesis, H0, is: the sample contains E-coli. Which is the error with the greater consequence ? Which two distributions can you use for hypothesis testing for this chapter?

2. Which distribution do you use when you are testing a population mean and the standard deviation is known? Assume sample size is large.

Reference no: EM131666302

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