Assume that carbon contents are normally distributed.
The carbon content (in ppm) was measured for each of six silicon wafers. The results were
2.41 2.45 2.21 2.32 2.25 2.38
a. Find a 95% prediction interval for the carbon content of a single wafer.
b. Find a tolerance interval for the carbon content that contains 90% of the wafers with 95% confidence.
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____________________.
Fill in the blank(s) with the appropriate word(s).When the burner shuts off, the pump output pressure drops below 80 psig. This indicates:
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