PROBLEM 2 (12 MARKS IN TOTAL). A complex electronic device is made of 10 parts. Over a year, the parts break down independently, with a probability of 0.01. (a) (4 marks) What is the probability of observing at least two breakdowns over a given year? () (4 marks) What is the probability of observing three or four breakdowns over a given year? c) (2 marks) On average, how many breakdowns should be expected over a given year? (d) (2 marks) Calculate the standard deviation of the number of breakdowns over a given year