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Ages of Passenger Cars The average age of passenger train cars is 19.4 years. If the distribution of ages is normal and 16% of
Ages of Passenger Cars The average age of passenger train cars is 19.4 years. If the distribution of ages is normal and 16% of the cars are older than 24.0 years, find the standard deviation. Round -value calculations to 2 decimal places and final answer to 2 decimal places. The standard deviation must be years.
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Elementary Statistics A Step By Step Approach
Authors: Allan G. Bluman
10th Edition
1259755330, 1259755339, 978-1259755330
