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The durability of energy cylinders manufactured in a company follows a normal distribution. 40% of the energy cylinders have a lifespan below 50 hours,
The durability of energy cylinders manufactured in a company follows a normal distribution. 40% of the energy cylinders have a lifespan below 50 hours, and 15% have a lifespan exceeding 70 hours. a) Find the mean of the distribution b) Find the standard deviation of the distribution.
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Income Tax Fundamentals 2013
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
31st Edition
1111972516, 978-1285586618, 1285586611, 978-1285613109, 978-1111972516
