answer:
Contd.
Explanation:
We will use the following well-known
Result : The eqn. of a line l passing through the pt. of
intersection of the lines l1:a1+b1+c1=0andl2:a2x+b2y+c2=0 is of
the form
Result :
Answer:
(x-3)^2+(y+2)^2=144
Step-by-step explanation:
Answer: Divide the first equation, −4x + 8y = 16, by 2
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
18 ÷ 3 = 6
6+3 =15
hope this helps
Answer:
Let level of significance is
=0.05
Since p-value is greater than alpha so students' mean score does not significantly differ from the national average.
Correct option is:
His students' mean score does not significantly differ from the national average, because his p-value is greater than alpha.
Let level of significance is
=0.10
Since p-value is less than alpha so students' mean score does significantly differ from the national average.
Correct option is:
His students' mean score does significantly differ from the national average, because his p-value is less than alpha.