Question

The time between requests to a web server is exponentially distributed with mean 0.5 seconds. What is the standard deviation?

Answer 1

Answer:

$\sigma = 0.5\ Seconds$

Step-by-step explanation:

Given that

Mean ,λ = 0.5 seconds

In exponential distribution ,variance is given as follows

Variance=λ²

Variance = 0.5 x 0.5 = 0.25 seconds

The standard deviation in exponential distribution is given as follows

$\sigma=\sqrt{Variance}$

$\sigma = \sqrt{0.25}$

$\sigma = 0.5\ Seconds$

Therefore the standard deviation will be 0.5 seconds.