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The margin of error is
1.96/(2 [tex]\sqrt{900}[/tex] = 0.03267), or about 3.3%.
Margin of error
The margin of error needs to be defined, but if one uses 1.96 s.d (95% by empiric rule for normal distributions), it is 3.72.
For 2 s.d, it is 3.61
The margin of error would be 19 for 2 s.d or 18.6 for 1.96 s.d
The margin of error is ±19.
For example, the interval within the margin of error would be (186, 224).
By use of the table, we have a critical value of 1.96, and so the margin of error is
1.96/(2 [tex]\sqrt{900}[/tex] = 0.03267), or about 3.3%.
To learn more about the margin of error
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