Question
If a light bulb manufacturing company wants to estimate, with 95% confidence, the mean life of compact fluorescent light bulbs to within {200 hours and
If a light bulb manufacturing company wants to estimate,
with 95% confidence, the mean life of compact fluorescent light
bulbs to within {200 hours and also assumes that the population
standard deviation is 1,000 hours, how many compact fluorescent
light bulbs need to be selected?
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
