On the last exam in FIN 417,"Capital Budgeting Strategies" Bob's z-score was −1.15.Bob said,"Yipe! My score is within the bottom quartile." Assuming a normal distribution,is Bob right?
A)Yes
B)No
C)Must know the class size to answer

Question

Quizplus · Accepted Answer

A z-score of -1.15 means Bob's score is 1.15 standard deviations below the mean. In a normal distribution, approximately 25% of the data falls below one standard deviation below the mean, so Bob's score would indeed fall within the bottom quartile. Therefore, Bob is correct in his statement.

On the Last Exam in FIN 417,"Capital Budgeting Strategies" Bob's