3. You are testing H0: u 500 against Ha: u < 500 based on an SRS...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

3)

We know that the t-statistic is given by:

$t=\frac{\overline{x}-\mu}{\frac{s}{\sqrt{n}}}=\frac{498-500}{\frac{4}{\sqrt{16}}}=-2$

Hence option C is the correct option.

Answer 2

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