2. Exponential distribution Write down the exponential distribution density. Show that the exponential probability distribution function has no memory. Write down the cumulative distribution of a bulb lasting 50 more units whose lifetime is exponentially distributed, if it has already lasted 100.

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2. Exponential distribution
Write down the exponential distribution density.
Show that the exponential probability distribution function has no memory.
Write down the cumulative distribution of a bulb lasting 50 more units
whose lifetime is exponentially distributed, if it has already lasted 100.
Transcribed Image Text:2. Exponential distribution Write down the exponential distribution density. Show that the exponential probability distribution function has no memory. Write down the cumulative distribution of a bulb lasting 50 more units whose lifetime is exponentially distributed, if it has already lasted 100.
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