Question
If a light bulb manufacturing company wants to estimate, with 95% confidence, the mean life of light emitting diode (LED) light bulbs to within hours
If a light bulb manufacturing company wants to estimate, with 95% confidence, the mean life of light emitting diode (LED) light bulbs to within hours and also assumes that the population standard deviation is 1,500 hours, how many LED light bulbs need to be selected?
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A Survey Of Mathematics With Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
11th Edition
0135740460, 978-0135740460
