Question: Refer to Exercise 13 in Section 5.3. Can you conclude that the mercury content is less than 0.3 ppm? Refer to Exercise 13 Ten samples

Refer to Exercise 13 in Section 5.3. Can you conclude that the mercury content is less than 0.3 ppm?

Refer to Exercise 13

Ten samples of coal from a Northern Appalachian source had an average mercury content of 0.242 ppm with a standard deviation of 0.031 ppm. Find a 95% confidence for the mean mercury content of coal from this source.

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