Add
$5$ X - $9$ Y - Z ) + $6$

question 112

Essay

Add.
( $5$ x - $9$ y - z ) + ( $6$ x - $6$ y - $4$ z ) + ( $- 6$ x - $2$ y - $2$ z )

---

Definitions:

Probability

The measure of the likelihood that an event will occur, represented as a number between 0 and 1.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, used to make inferences about a population parameter.

Standard Deviation

Standard deviation is a statistical measure of the dispersion or variance within a dataset, indicating how spread out the data points are from the mean.

Normal Distribution

A statistical distribution that is symmetric around its mean, showing that data near the mean are more frequent in occurrence than data far from the mean.