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A school administrator believes that 80% of the students at his large school arrive by bus, 10% drive themselves, and 10% are dropped off by an adult. To investigate this belief, the administrator stands at the school entrance and asks the first 80 students who come through the door how they came to school. He would like to know if the data provide convincing evidence that the distribution of transportation method differs from what he believes it to be.

Are the conditions for inference met?

A. No, the random condition is not met.
B. No, the 10% condition is not met.
C. No, the Large Counts condition is not met.
D. Yes, all of the conditions for inference are met.

Answer :

None of the conditions for inference are met in this scenario.

How to determine if the conditions for inference met

Based on the information provided, the conditions for inference are not met. Specifically:

No, the random condition is not met: The administrator only surveys the first 80 students who come through the door. This does not represent a random sample of all the students at the school.

No, the 10% condition is not met: The administrator surveys 80 students out of the total student population. If the total student population is much larger than 800, then the 10% condition required for inference is not met.

No, the Large Counts condition is not met: The administrator surveys only 80 students, which may not be considered a large enough sample size to rely on the chi-square test for comparing observed and expected counts.

Therefore, none of the conditions for inference are met in this scenario.

Learn more about inference at https://brainly.com/question/25280941

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