The answer is 3 because 4x-x=3x
Considering the situation described, the scientist's null and alternative hypothesis are described by:
Null hypothesis
; Alternative hypothesis
.
<h3>What are the hypothesis tested?</h3>
At the null hypothesis, it is tested if there is no difference, that is, the difference of the means represented by
is of 0, hence:

At the alternative hypothesis, it is tested if there is a difference, hence:

More can be learned about an hypothesis test at brainly.com/question/26454209
Answer:
A) C) E)
Step-by-step explanation:
ON edge
Answer:
The line is horizontal and the slope is 0.
Step-by-step explanation:
Any line that is horizontal has a slope of 0.
The coefficient is the number . so if the problem said 16x the coefficient would be 16 . the answer is 14