Collect the details and find the probabilites of selecting a student from tenth standard in your school.

Collect the details and find the probabilites of selecting a boy from tenth standard in your school.

Collect the details and find the probabilites of selecting a boy from you class.

Collect the details and find the probability of selecting a girl from you class.

All intelligent students in your school .

Collect the information about cranial nerves, spinal nerves from internet or from your school library.

From the details given below, calculate the five yearly moving averages of the number of students who have studied in a school.