A student answered 50 of 80 true/false questions correctly. Does this performance indicate that the student knew something, or was he just lucky? (Hint: Use chi-squared and α = .05.)
A) Chi-square =2.5; he knew something.
B) Chi-square =2.5; he was lucky.
C) Chi-square =5.0; he knew something.
D) Chi-square =5.0; he was lucky.

Question

Quizplus · Accepted Answer

The Answer is C

A Student Answered 50 of 80 True/false Questions Correctly