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Surveys conducted in American high schools concluded that 90% of the students in a sample of 400 students had more than one active email account. What would the margin of error …

Surveys conducted in American high schools concluded that 90% of the students in a sample of 400 students had more than one active email account. What would the margin of error …
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Surveys conducted in American high schools concluded that 90% of the students in a sample of 400 students had more than one active email account. What would the margin of error be for the population proportion?

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User Kosiek
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Answer: the answer is 3%

Explanation:

Surveys conducted in American high schools concluded that 90% of the students in a-example-1
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User Abdoul
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