Answer:
The critical value for the 95% confidence interval is z = 1.96.
Step-by-step explanation:
We have that to find our 
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of 
So it is z with a pvalue of 
, so z = 1.96.
The critical value for the 95% confidence interval is z = 1.96.
Answer:
3(x−2)(x+4)
Step-by-step explanation:
Dude its really hard to make a explanation. I recommend looking on math papa and typing in the question. Im sorry, but heres the answer.
To help us to graph the 3x + 4y = 12, we can isolate y
Therefore it's a line with equation
We have y = 3 when x = 0, and x = 4 when y = 0, therefore
