Number of Horses ​

question 154

Short Answer

Number of Horses ​
The random variable X represents the number of horses per family in a rural area in Iowa,with the probability distribution: p(x)= 0.05x,x = 2,3,4,5,or 6. ​ ​
-{Number of Horses Narrative} Find the variance and standard deviation of X.

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Definitions:

Food

Any nutritious substance that people or animals eat or drink in order to maintain life and growth.

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Exceptional rights, advantages, or immunities granted to individuals or groups, often beyond what is common.

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Occurs when someone departs from a norm and evokes a negative reaction from others.

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Refers to actions or behaviors that deviate from widely accepted social norms or standards.