This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: water pressure on an automobile engine. The engineer designed the valve such that it would produce a mean pressure of 5.5 lbs/square inch. It is believed that the valve performs above the specification. The valve was tested on 290 engines and the mean pressure was 5.6 lbs/square inch. Assume the standard deviation is known to be 1 lb/inch. Make the decision to reject or to fail to reject the null hypothesis....
View Full Document
This note was uploaded on 03/12/2011 for the course DSCI 2710 taught by Professor Hossain during the Spring '08 term at North Texas.
- Spring '08