10. Iqbal attempts three practice papers in mathematics. The probability that he passes the first paper is 0.6. Whenever he gains a pass in a paper, his confidence increases so that the probability of him passing the next paper increases by 0.1. Whenever he fails a paper the probability of him passing the next paper is 0.6. a. [3 marks] Complete the given probability tree diagram for Iqbal's three attempts, labelling each branch with the correct probability. F F