Answer:
0.078
Step-by-step explanation:
Margin of error = z√(p(1-p)/n)
Given
p-hat = 0.43
n = 270
z at 99% confidence interval = 2.576
Substitute
MOE = 2.576√0.43(1-0.43)/270
MOE = 2.576√0.43*0.57/270
MOE = 2.576√0.2451/270
MOE = 2.576*0.030129
MOE = 0.078
Hence the margin og error is 0.078
Answer:
94
Step-by-step explanation:
Add units together. 87+93+102=282.
Divide total number by number of days. 282/3=94
Answer:
C
Step-by-step explanation:
Because you should be subtract each other by 20x to transfer from side to another side.
