Does it confirm the belief that more than 25 of all


A survey of 130 high school students in a school shows that 41 of them work over 20 hours a week during the school year. Does it confirm the belief that more than 25% of all students in the school work over 20 hours a week during the school year? (Test at the .01 level)

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Business Management: Does it confirm the belief that more than 25 of all
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