A company has developed a new light bulb that seems to burn longer than most residential bulbs.
Question:
Bulb Burn
Mean ......... 2198.217
Standard deviation ..... 152.9907
Count ......... 84
Confidence level (90.0%) ... 27.76691
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
Question Posted: