In a group of Level 4 learners, 35% students failed Advanced Java (AJ), 7% failed Maths and Algorithms (MA) and 14% failed both modules. A student is selected randomly.
a. Find the probability that he failed MA or AJ
b. If he failed AJ, find the probability that he also failed MA.
c. Find the probability that he failed neither MA nor AJ.
You must explicitly show the steps you followed to arrive at your answer.