Number of Motorcycles

question 218

Short Answer

Number of Motorcycles
The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family. ​ ​
-{Number of Motorcycles Narrative} Find the standard deviation of X.

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Definitions:

Categorical

Pertaining to data that can be divided into specific groups or categories that are generally qualitative in nature.

Natural Log

The logarithm to the base e (approx. 2.718), used in mathematics and sciences to model growth processes.

Exponential

Pertaining to mathematical functions or models that exhibit growth or decay at a constant rate, often used in compound interest and population growth models.

Odds Ratio

A measure of association between an exposure and an outcome, representing the odds that an outcome will occur given a particular exposure, compared to the odds of the outcome occurring in the absence of that exposure.