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? 2.28 % THER (b) If police are instructed to ticket motorists driving 130 km/h or more, what percentage of motorist are targeted? 19.49 X %
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? 2.28 % THER (b) If police are instructed to ticket motorists driving 130 km/h or more, what percentage of motorist are targeted? 19.49 X %
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 40E: Pygmy Height The average height of a member of a certain tribe of pygmies is 3.2ft, with a standard...
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