Answer:
49
Step-by-step explanation:
Given:
Width = 0.4
Let's take the z value of 95% which is = 1.96
Let's assume population proportion p1 and p2 = 0.5
For margin of error E, the relation between the width and margin of error is 2E.
i.e 2E = 0.4
E = 0.2
To find the sample size, n, let's use the formula :


= 48.02
≈ 49
Answer:
-5x + y = -27
Step-by-step explanation:
Equation: y+8 = -5(x+3)
Standard form is (ax + by = c)
We have to get x and y and their coefficients over to the left side of the equation, and all the single numbers to the right side.
y + 8 = -5 (x + 3)
y + 8 = -5x -15
y = -5x - 27
THE ANSWER IS :
-5x + y = -27
Answer:
x = 15 inches
Step-by-step explanation:

Answer:
V = 3591.4 ft³
Step-by-step explanation:
The formula for the volume of a sphere whose radius is given is
V = (4/3)πr³
Here we have V = (4/3)(3.14)(9.5 ft)³, or:
V = 3591.4 ft³
Answer:
A: no correlation
Step-by-step explanation:
Hopefully this helps!