Answer:
You will need to count the amount of 0's and total them left to right = per question and total them top to bottom for answering a total
answering b total answering c total etc..
This creates line of 5 totals at the bottom of table and other totals per question = amount of questions x total.
The experimental probability is setting all 1/5 (1 answered question and multiplying it by the inverse of 4/5 non answered questions = 1/5 = 1/25
p) 1/5 x 1/5 = 1/25
Explanation: