Textbook ExpertVerified Tutor
18 Nov 2021
Given information
Use the following information to answer the next three exercises. The average lifetime of a certain new cell phone is three years. The manufacturer will replace any cell phone failing within two years of the date of purchase. The lifetime of these cell phones is known to follow an exponential distribution.
A website experiences traffic during normal working hours at a rate of visits per hour. Assume that the duration between visits has an exponential distribution.
Step-by-step explanation
Step 1.
The required probability is given by exponential distribution with a decay rate .
Required probability is calculated as follows:
Take log on both sides,
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