Homework SourseOn the last test the class had an average of 545 with a stan
On the last test, the class had an average of 54.5 with a standard deviation of 8.0.
What is the lowest grade the student could have made to receive at least a C. That is be in the top 70%. Assume the test scores are normally distributed. Round your answer to 1 decimal place.
Directions
| Determine the answer to the question. Explain how you obtained your answer and state the answer. |
Solution
