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$2.50 RES 341 Week 5 DQ #4

Found in Business: Management
Chapter 1, # 0
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chezmoi
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Q:


We have had for the last 6 months an average 7655 miles between service interruptions
with a 1000 mile standard deviation.  On a recent sample of 36 buses, sampled randomly, at the
99% Confidence, Can we expect the average to exceed 8000 miles.

Now, Rerun this at 95% confidence and Can we Expect the average to exceed 8000 miles?

If there is a different answer, Explain why

 

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$2.50
RES 341 Week 5 DQ #4
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  • Posted on Mar 03, 2011 at 4:15:39PM
A:
Preview: ... es at the 99% confidence.   95% Confidence Interval = 7655 ± 1.960 (1000 / √36)         = 7655 ± 326.67         ...
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