Question

Asked Oct 22, 2019

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A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

Did Well in Midterm | Did Poorly in Midterm | |

Studying for Exam | 80 | 20 |

Went Bar Hopping | 30 | 70 |

If the sample is a good representation of the population, we can expect ________ percent of those who spent the weekend studying to do poorly on the midterm.

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**Introduction:**

The sample proportion is a good estimator of the population proportion, if the sample is a good repres...

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