Textbook ExpertVerified Tutor
17 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
Step-by-step explanation
Step 1.
It is deduced from the information given in the problem that
Therefore, using the mean uniform distribution, the decay rate is calculated as follows:
The cumulative distribution function is exponential distribution is,
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