Answer:
The student has total average of 83.89.
Step-by-step explanation:
The student has 72 out of 100 in the attendance and with a weightage of 4%, the average will be = 
The student has 96 out of 100 in the first paper and with a weightage of 7%, the average will be = 
The student has 91 out of 100 in the second paper and with a weightage of 7%, the average will be =
.
The student has 94 out of 100 in the test 1 and with a weightage of 12%, the average will be =
The student has 73 out of 100 in the test 2 and with a weightage of 12%, the average will be =
.
The student has 100 out of 100 in the test 3 and with a weightage of 12%, the average will be =
.
The student has 78 out of 100 in the final exam and with a weightage of 46%, the average will be = 
Therefore, the student has the total average of (2.88 + 6.72 + 6.37 + 11.28 + 8.76 + 12 + 35.88) = 83.89. (Answer)