On average, a pair of running shoes can last 18 months if used every day. The length of time running shoes last is exponentially distributed. What is the probability that a pair of running shoes last more than 15 months? Eighty percent of running shoes last at most how long if used every day?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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On average, a pair of running shoes can last 18 months if used every day. The length of time running
shoes last is exponentially distributed. What is the probability that a pair of running shoes last more than
15 months? Eighty percent of running shoes last at most how long if used every day?
Transcribed Image Text:On average, a pair of running shoes can last 18 months if used every day. The length of time running shoes last is exponentially distributed. What is the probability that a pair of running shoes last more than 15 months? Eighty percent of running shoes last at most how long if used every day?
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