Answer:
μ = 0.169
ME = 0.051
Step-by-step explanation:
The confidence interval is:
CI = μ ± ME
So the mean is the middle of the confidence interval, and the margin of error is half the difference.
μ = (0.118 + 0.220) / 2 = 0.169
ME = (0.220 − 0.118) / 2 = 0.051
Answer:
X^2+3X-10
Step-x^2by-step explanation:
Answer:
C
Step-by-step explanation:
It’s £4.5
Convert 25 to a decimal so 0.25
0.25 x 18 = 4.5