Answer:
no she is wrong
Step-by-step explanation:
7a-4+3a-6= 10a-10 therefore they are not equal
Uhhhhhhh I don't really know look on quizlet
Answer:
i think i know
Step-by-step explanation:
Answer:
Option d - Equality
Step-by-step explanation:
To find : What sign of a null hypothesis must always include?
Solution :
The Null hypothesis is defined as a statement about the population that either is believed to be true or is used to put forth an argument unless it can be shown to be incorrect beyond a reasonable doubt.
The Null hypothesis represent by 
always has a symbol with an equal in it.
Therefore, Option d is correct.
Equality sign of a null hypothesis must always include.