The ages of the vehicles owned by a large fleet-hire company are normally distributed with mean 43
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The ages of the vehicles owned by a large fleet-hire company are normally distributed with mean 43 months and standard deviation σ. The probability that a randomly chosen vehicle is more than 4 1/6 years old is 0.28. Find what percentage of the company’s vehicles are less than two years old.
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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
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