two stores at sm downtown are selling batteries for cell phones. store A claims an average battery life of 12 hours while store b advertises an average of 14 hours. Why would we need to know the standard deviation of the battery life before deciding what brand to buy? suppose the standard deviation are 1.5 for A and 1 hour for B, which battery is more likely to last all day?
two stores at sm downtown are selling batteries for cell phones. store A claims an average battery life of 12 hours while store b advertises an average of 14 hours. Why would we need to know the standard deviation of the battery life before deciding what brand to buy? suppose the standard deviation are 1.5 for A and 1 hour for B, which battery is more likely to last all day?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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two stores at sm downtown are selling batteries for cell phones. store A claims an average battery life of 12 hours while store b advertises an average of 14 hours. Why would we need to know the standard deviation of the battery life before deciding what brand to buy? suppose the standard deviation are 1.5 for A and 1 hour for B, which battery is more likely to last all day?
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