Answer:
The correct answer is "664".
Step-by-step explanation:
The given values are:
Margin of error,
E = 5%
i.e.,
= 0.05
Level of confidence,
C = 99%
i.e.,
= 0.99
Level of significance,
α = 0.01
From the z value table,
Critical z = 2.576
As we know,
The required sample size n will be:
= 
On substituting the values, we get
= 
= 
= 
= 
i.e.,
= 
I believe it is x: opposite angles of a parallelogram;
y: alternate interior angle theorem;
z: sum of the angles of a triangle= 180
Pipe B is faster. I can't answer the second part. Pipe A pumps 15.16 liters btw
Answer:
Step-by-step explanation:
1.169