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
You take 94.5 and divide by 4.5 get 21
Answer:
It would be (-5,3). Hope this helps!
Step-by-step explanation:
Start from zero on the x line and count until you get to the where the P is, then start from zero and count on the Y line till you get to the P.
Answer:
ive no idea sorry champ
Step-by-step explanation:
Z=180-107
Z=73
Y= 360-(98+89+73)
Y=100