Question: The instructor for a large-enrollment accounting course collected data from a random sample of students on whether they attended a review session for an examination

The instructor for a large-enrollment accounting course collected data from a random sample of students on whether they attended a review session for an examination and whether they passed the examination. The data follow:

Passed Failed

Attended 45. 12

Did Not Attend. 15 28

Assuming attending the review session and passing the examination are independent, how many students do you expect to be in each cell (in the following order:top-left, top-right, bottom-left, bottom-right)?

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