Posted by **taylor quenzler** on Thursday, July 26, 2012 at 8:58pm.

2. A standardized exam was provided to all 3rd graders in Arizona schools. The average score was 75 with a standard deviation of 10. Assuming that the scores were normally distributed, answer the following questions. (a) What z-score corresponds with a score of 75? (b) What z-score corresponds with a score of 80? (c) What z-score corresponds with a score of 85? (d) What z-score corresponds with a score of 100? (e) What percent of students scored between a 75 and 85? (f) What percent of students scored between a 70 and 85? (g) What percent of students received a score of 95 or higher?

## Answer this Question

## Related Questions

statistics - Answer the following. Show your work to get credit. Exam scores are...

Math Statistics - Answer the following. Show your work to get credit. Exam ...

Analytical Skills - If your score on a statistics exam was 76 and the professor ...

statistics - A math professor notices that scores from a recent exam are ...

statistics - The average score on a particular exam is determined to be 84.35 ...

statistics - Can you please tell me how to solve for the following? Pedro took ...

stats - A final exam in Math 160 has a mean of 73 with standard deviation 7.73. ...

ap stats - two different sections of electricians took their state license test...

Algebra 2: Probability and Stats - The scores on an exam are normally ...

Statistics - 5. Scores on a recent national statistics exam were normally ...