According to the National Institutes of Health, 14% of college students said they vaped marijuana in the past 30 days. I
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According to the National Institutes of Health, 14% of college students said they vaped marijuana in the past 30 days. I
According to the National Institutes of Health, 14% of collegestudents said they vaped marijuana in the past 30 days. In a randomsample of 250 college students would itbe unusual for 19% to have vaped marijuana inthe past 30 days?