Question
Duracell Ltd claim that the life of their batteries in motorised soft toys is approximately normally distributed with a mean of 98.5 hours and a
Duracell Ltd claim that the life of their batteries in motorised soft toys is approximately normally distributed with a mean of 98.5 hours and a standard deviation of 16.5 hours. The best 77% of batteries wouldlast beyond how many hours? Answer correct to 2 decimal places.
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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
