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A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Step 1
Given data :
The speeds of vehicles on a highway with speed limit 110 km/h are normally distributed with mean 124 km/h and standard deviation 7 km/h. (Round your answers to two decimal places.)
(a) What is the probability that a randomly chosen vehicle is traveling at a legal speed?
(b) If police are instructed to ticket motorists driving 130 km/h or more, what percentage of motorist are targeted?
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