Question 3 0.04 pts Consider the following problem with 5 activities A1, A2, A3, A4, A5. 1. Activity A1 can be started immediately and take 2 days to complete. 2. Activity A2 depends on A1, and takes 2 days to complete. 3. Activity A3 depends on A2, and takes 2 days to complete. 4. Activity A4 depends on A3, and takes 2 days to complete. 5. Activity A5 depends on A4, and takes 2 days to complete. Moreover, at the end of activity A4, there is 20% chance that we will have redo activity A3. Assume that this rework can happen only once. b) What is the probability of completing the project in 14 or fewer days? ( Please enter the percentage of probability without the percentage sign) Question 4 0.04 pt: For the project above, suppose our rework loop was "longer.\" That is, in the earlier question, we assumed that, after nishing A4 we have a 20% probability of going back to A3. Instead, assume that after completing A4, there is a 5% chance of having to redo A2 (and hence A3 and then A4), there is a 15% chance of having to redo A3 (and hence A4 as well). a) What is the probability of completing the project in 10 or fewer days? (Please enter the percentage of probability without the percentage sign)