A road engineer studies a rural two-lane highway and presents this histogram to the County Department of
Question:
a. For how many cars was data collected?
b. What is the 85th percentile speed?
c. What speed limit would you recommend for this highway?
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a 2 11 22 26 27 20 8 2 118 cars b Between 57 mih and 59 mih ...View the full answer
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Related Book For 
Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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