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Mira wants to determine the popularity of a new viral video at her school of approximately 300 students. During a school day when all students were at school, she asked 3 students at random whether they'd watched the video, and all of them said they had. Which of the following factors makes it least likely that a reliable conclusion can be drawn about the popularity of the viral video at Mira's school?

Mira wants to determine the popularity of a new viral video at her school of approximately 300300 students. During a school day when all students were at school, she asked 33 students at random whether they'd watched the video, and all of them said they had. Which of the following factors makes it least likely that a reliable conclusion can be drawn about the popularity of the viral video at Mira's school?

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