The speeds, in kmh 1 , of vehicles passing a particular point on a rural road are
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The speeds, in kmh–1, of vehicles passing a particular point on a rural road are normally distributed with mean μ and standard deviation 20. Find the value of μ and find what percentage of the vehicles are being driven at under 80kmh–1, given that 33% of the vehicles are being driven at over 100kmh–1.
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To solve this problem we need to use the properties of the normal distribution and apply them to the ...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
Question Posted:
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