Thursday

January 29, 2015

January 29, 2015

Posted by **Tara** on Saturday, August 24, 2013 at 6:47pm.

16) Given that the passing score is 65, approximately what percentage of students passes the first exam?

17) What is the probability that the student will score an “A” on the exam? (A score of 90 or more)

18) The middle 95% of the scores will tend to fall between _________ and ________.

- Statistics -
**PsyDAG**, Monday, August 26, 2013 at 1:31pm16. Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to to the Z score.

17. Use same equation and table.

18. Use table to find P = ± ,45 to get the two Z scores. Insert into equation above.

**Answer this Question**

**Related Questions**

statistics - Answer the question(s) based on the following situation: 150 ...

Math/Statistics - A statistics teacher believes that the final exam grade for ...

statistics - Scores from a statistics exam are reported as deviation scores. ...

statistics - 1. The exam scores for the students in an introductory statistics ...

stats - Relatively speaking, which statistics exam did you do better on? On ...

statistics - 5. The table below shows Psychology exam scores, Statistics Exam ...

statistics - On this semesters final exam, john scored 72 on his calculus exam...

statistics - Leslie took two midterm exams and earned the following scores: 82 ...

math - Statistics: Analyze student exam scores Students were given an exam with ...

Statistics - On this semesters final exam, john scored 72 on his calculus exam...