The Standard Deviation for a Random Variable with Probability Density

question 90

Essay

The standard deviation for a random variable with probability density function and mean is defined Find the standard deviation for an exponential density function with mean

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Definitions:

Bi-

A prefix meaning two or twice, indicating duality or a pair.

Afebrile

The absence of fever; refers to a state in which the body temperature is within the normal range.

Anicteric

Referring to a condition or phase of a disease, especially hepatitis, in which jaundice (yellowing of the skin and eyes) is not present.

An-

Prefix used in various words to denote without, lacking, or absent, often in medical and scientific terminology.