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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Ee.79.

Suppose that a car races down a ¼-mile drag strip several times and that it takes an average of 11.4 s to do so. If the standard deviation is σ=0.2 s, what fraction (or percent) of the measurements would you expect to be between 11.3 s and 11.5 s?

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