Algebra 2: Prob and Stats
A survey of 480 high school students found that 37% had a pet. Find the margin of error. Round to the nearest percent. Use the margin of error to find an interval that is likely to contain the true population proportion.
* margin of error = +5%
interval, 37% to 42%
* margin of error = +5%
interval, 32% to 42%
* margin of error = +7%
interval, 30% to 44%
* margin of error = +7%
interval, 37% to 44%
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