Wall thickness of 25 glass 2-liter bottles was measured by aquality-control engineer. The sample meanwas x⎯⎯=4.04x¯=4.04 and the sample standard deviationwas s=0.05.s=0.05. Find a 95% lower confidence bound formean wall thickness. Assume population is approximately normallydistributed.
Round your answer to 3 decimal places.
μ≥
help me out asap with all steps with right answers
Wall thickness of 25 glass 2-liter bottles was measured by a quality-control engineer. The sample mean was x⎯⎯=4.04x¯=4.
-
- Site Admin
- Posts: 899603
- Joined: Mon Aug 02, 2021 8:13 am