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  • 04-05-2020
  • Mathematics
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Use the confidence interval to find the margin of error and the sample mean (0.118,0.220)

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MathPhys
MathPhys MathPhys
  • 04-05-2020

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

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