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.

---

Definitions:

Break-Even

The point at which total costs and total revenue are equal, leading to no net loss or gain for a business.

Effect Size

A quantitative measure of the strength of a phenomenon or the magnitude of a difference between groups in research.

Utility Variables

Factors or elements that can influence the usefulness or effectiveness of a process, product, or decision.

Effect Size

A measure used in statistics to quantify the magnitude of a phenomenon or the difference between two groups.