Answer:
A. 36
Step-by-step explanation:
120x0.30=36
Multiply the total amount of third graders by the percentage in decimal form.
The answer is y= 3/4x - 4.
Answer: A) 0.016
Step-by-step explanation:
The standard error is also known as the standard deviation of sampling distribution.
Formula : 
Given : The proportion of respondents approve the job that President Barack Obama was doing handling the economy : 
Sample size : n= 1000
Then, the standard error (SE) of
is

Hence, the standard error (SE) of
is 0.016 .
The answer you are looking for is A like the person brilliantly copied and pasted above this.