Determine the margin of error for the confidence interval

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An environmental journal discussing current water usage within the US reports. 95% confidence interval of (82, 88) for the average number of household gallons used per person per day.

The study was based on a random sample of 30 individuals throughout the nation.

Determine the margin of error for the confidence interval.

a) +- 95

b) +- 3

c) +-6

d) +-5

e) +-30

Reference no: EM132581616

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