# The soft crash

A certain piece of software is found to fail, on average, every 2 days. Plot the graph of the probability density function of the exponential distribution with lambda=0.5, i.e.

y(t)=0.5*e^(-0.5*t).

Use values of the integral found on the graph to find the probability of failure of the software:

(a) within a single day;

(b) within 4 days.

#probabilitydensityfunction #exponentialdistribution #reliabilityengineering #MTTF

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Versions will shortly be available for iOS and Windows.

plotXpose app is a companion to the book Mathematics for Electrical Engineering and Computing by Mary Attenborough, published by Newnes, 2003.