The expected count of students with high extracurricular participation and good grades is the number of students that you would expect to see assuming that which of the following is correct? Check all that apply. The conditions that allow us to safely use the chi-squared procedure are met. Extracurricular participation and grade performance are related. Extracurricular participation and grade performance are independent. The null hypothesis of the chi-squared test for independence in this case is true.

Extracurricular participation and grade performance are related

Explanation:

The expected count of students with high extracurricular participation and good grades is the number of students that you would expect to see when extracurricular participation and grade performance are related.

Extracurricular activities are activities performed by students outside their regular course work at school , they can also be educational and when they are related to the students regular course at school it can lead to a good grade performance at school as well , hence the expected count of students with both high extracurricular participation and good grades.

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think