Question
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
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 21.3 years, find the standard deviation. Round z-value calculations to 2 decimal places and final answer to 2 decimal places. The standard deviation must be years
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A Survey of Mathematics with Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
10th edition
134112105, 134112342, 9780134112343, 9780134112268, 134112261, 978-0134112107
