When testing a hypothesis using a null hypothesis, you use a statement that negates your hypothesis, and, within a certain level of certainty, see if the null hypothesis can be rejected. When testing the null hypothesis, you typically want to be around 95% sure that you can reject it (confidence interval is 95%).
In Rose's case, she is testing the hypothesis that there is a correlation between watching violence on television and aggressive behavior.
Her null hypothesis would be:
"There is not a positive correlation between watching violence on television and aggressive behavior"
or
"The correlation between watching violence on television and aggressive behavior is less than or equal to zero"
Answer:
A) they enforce rules that control conduct within a population
Explanation:
Because without no government who is going to enforce rules on the states when things start going downhill with the states. And its common sense.
Hope this Helps you. :)
19th amendment........................................................
Answer:
People have noticed and wanted more like dogs with big, floppy ears and a good sense of smell.
They bred them over many years with different breeds.
This is referred to as artificial selection and is one of Darwin's evidence points for natural selection evolution.
