PHE 360

Z score problems

A class of 203 students participated in a softball throw for distance test. The mean performance of the group was 164 and the standard deviation was 23. Based on the aforementioned data answer the following questions:

1. What percentage of the students was able to throw the softball between 141 and 187?

2. What percentage of the students could throw the softball at least 200 feet?

3. What percentage of the students could throw farther than 200 feet?

4. What percentage of the students could not throw farther than 130 feet?