What I did is to add 0.52
+0.15
then try to find what could equal the same amount with 0.52
You do
-26
-4
---
-30
5n=-30 so...
-30/5=-6
Therefore
n=-6
Answer:
-300
Step-by-step explanation:
-21 = 7x/100
-21=7x/2^2*5^2
x=-300
The sample in a statistical study is the subset from a population that is selected to meausure the variable.
In this case the population is all the national male readers of male magazines and the sample is the 3000 readers of male magazines that were radomly selected and interviewed.
Answer: the sample is the 3000 readers of male magazines that were radomly selected and interviewed