Answer :
B 25%
because if all 8 passed the written test it would be 100%. If 4 of 8 passed it would be 50%. So if only 2 out of 8 passed, it would be 25%
because if all 8 passed the written test it would be 100%. If 4 of 8 passed it would be 50%. So if only 2 out of 8 passed, it would be 25%