Kindly help me find solutions to all of the following questions please?

A randomly selected student, a) If it fails from the computer, the probability of failing the statistics, b) If it fails from statistics, the probability of failing from the computer, c) Find the probability of failing at least one of these two courses.

I have a 30 minutes to send. Please help me

Question 28 [1 point) Amy is taking a statistics class and a biology class. Suppose her probabilities of getting a grade of 3+ in statistics course is {135, grade of A+ in biologyr is {121} and grade of 11+ in both statistics and in biology is D. If). Find the probability that Amy will get at least one A+ between her statistics and biologyr classes. Exercise 5.2.2 The cumulative distribution function of a continuous random variable X is given as le'zx, U