Answer: the 800 people interviewed.
Step-by-step explanation:
Definition of a sample in statistics : A sample is a subset of a population sharing some similar characteristics in them. It basically represents the whole population having same characteristics.
For the given case , " The poll surveyed 800 randomly selected adults nationwide.
Here 800 randomly selected adults nationwide are representing the whole population of adults nationwide..
Thus , the sample in this setting is: <u>the 800 people interviewed</u> .
Answer:
15 ft
Step-by-step explanation:
Let the height of the wall be represented bad x
Applying the theorem of similarity, we would have the following equation:
Cross multiply
2x = 30
Divide both sides by 2
x = 15
Thus, the height of the wall = 15 ft
Answer:
3.33 is the unit price
Step-by-step explanation:
6x-4=2x+8
mnus 2x both sides
4x-4=8
add 4 to both sides
4x=12
divide 4 both sides
x=3