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CAT 1993 — DILR Question 29

TablesEasy
Passage / Data

Use the following information:

A professor keeps data on students tabulated by performance and sex of the student . The data is kept on
a computer disk, but unfortunately some of it is lost because of a virus. Only the following could be
recovered :

​​​​​​​​​​​​​​

Panic buttons were pressed but to no avail. An expert committee was formed, which decided that the following facts were self evident:

  • Half the students were either excellent or good.
  • 40% of the students were females.
  • One third of the male students were average.

What proportion of good students were male?

Answer & solution

  • A

    0

  • 0.73

  • C

    0.4

  • D

    1.0

Solution

Proportion of good students who are male = (2230) = 0.73.

CAT 1993 DILR Q29: What proportion of good students were male? — Solution | TheCATExam