Answer:
Step-by-step explanation:
A. (x, y) is not an equation.
B. 2 + 7 = 9 Not a linear equation, as there is no variable.
C. 3x + 5 = 20 This is a linear equation.
D. y = 2x + 1 This is a linear equation.
Second quartile is another name for median, so the answer is 8. I think. I'm second guessing myself now..
54 red cars, sorry cant explain, need points urgently, CHEERIO!
Answer:
The right solution is "0.196".
Step-by-step explanation:
The given values are:
Standard deviation,
Sample size,
Confidence level,
%
Now,
For
then,
The margin or error will be:
⇒
On substituting the values, we get
=
=
=