Answer is 62 x=62 when u do 2x+6=130
Get n by itself in both inequalities
(This program doesn't allow for regular less than or greater than signs, so for the purposes of this problem I will be using less than or equal to (≤) and greater than or equal to (≥) signs)
Inequality 1:
Inequality 2:
Now that you have both of the n's by themselves, you can put the two inequalities together, like this
Just keep in mind that these are supposed to be regular less than signs
Answer:9
Step-by-step explanation:
7+9+11+13=40
Answer:
(-infinity, 3)
Step-by-step explanation:
-3x-9 > -18
-3x>-9
when you divide by negative number switch the inequality to other side(flip the inequality)
x<3
it would be an open circle
and the arrow would be going from the open circle on 3 to the left
Answer:
Follows are the solution to this question:
Step-by-step explanation:
the confidence level for z:
Calculating the Margin of error:
The population means estimate a 95 % confidence interval is: