Question: Question 2. A computer has a typical lifespan that can be approximated using a Poisson distribution with = 5 years. i. What is the mean

Question 2.

A computer has a typical lifespan that can be approximated using a Poisson distribution with = 5 years.

i. What is the mean and standard deviation of the lifespan of a typical computer?

ii. Calculate the probability of a computer lasting between 1 and 2 years inclusive.

iii. Plot the Poisson Distribution for lifespans between 0 and 5 years (Use Excel or a hand drawn diagram)

iv. Make a guess as to the probability that a computer can last more than 20 years with your answers to Part aiii? Explain your reasoning. (There is no need to calculate the exact probability)

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