• anonymous
The life X, of the StayBrite light bulb is modelled by the probability density function$f(x) = \left(\begin{matrix}2e^{-2x} \\ 0\end{matrix}\right)$$x \ge 0 -otherwise-$Where x is measured in thousands of hours. (a) Sketch the graph of f(x). (b) Find the median life of these StayBrite bulbs (b) E.g. $P(X \le M) = \int\limits_{-\infty}^{M} f(x)dx= {1\over2}$
Mathematics
• Stacey Warren - Expert brainly.com
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SOLVED
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