Answer:
![(-\infty, -5] \cup (4,\infty)](https://tex.z-dn.net/?f=%28-%5Cinfty%2C%20-5%5D%20%5Ccup%20%284%2C%5Cinfty%29)
Step-by-step explanation:
The symbol
is set notation for UNION--put two sets together into one set.
The first part of the interval notation describes x less than or equal to -5 -- notice the bracket symbol after -5, meaning include -5.
A dot plot or for chart is a statistical plot consisting of data points that are plotted on a scale using dots.
<h3>What is a dot plot?</h3>
Your information is incomplete. Therefore, an overview of a dot plot will be given. A dot plot is a data visualization where the day points are plotted as dots on the graph.
Dot plots are used for relatively small data sets. It uses the dots to show where the data values in the distribution are.
Learn more about dot plot on:
brainly.com/question/21862696
Answer:
26/9
Step-by-step explanation:
The mean of the probability distribution is given by the expected value given by

The variance of the probability distribution is given by

The standard deviation is given by
Answer:
7(2x +7)
Step-by-step explanation: