Question: A biologist models the time in minutes between the formation of a cell and the moment at which it splits into two new cells using

A biologist models the time in minutes between the formation of a cell and the moment at which it splits into two new cells using a Weibull distribution with parameters a = 0.4 and λ = 0.5.
(a) What is the median value of this distribution?
(b) What are the upper and lower quartiles of this distribution?
(c) What are the 95th and 99th percentiles of this distribution?
(d) What is the probability that the cell ''lifetime'' is between three and five minutes'.'

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