$308 bc i added 250+30 = 280 and multiplied it by 0.10 to get 28 and i added that to 280
Answer
Step-by-step explanation:
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:
4
Step-by-step explanation:
7*7-9*5
49-45
4