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 will follow a Poisson distribution with mean so now required probability that is can be written as,
Need to calculate using the calculator for this click on then DISTR and then scroll down o Poissoncdf option and enter poissoncdf(12,6),
Therefore, the required value is
.
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