Answer Happy

Please help me to solve these statistical problems. Thank
You.
A study found that the rate of suicide among people with depression is 20 percent and the rate of suicide among people without depression is 9 percent. There is 20 percent of people experience depression. (i) Find the rate of suicide among the people. (4 marks) (ii) Find the probability that a person experience depression given that he or she commits suicide. (4 marks) A technician examines a defective switch. Assume that the failure of the switch happens independently among the operations. Suppose that the failure occurs in each operation with a probability of 0.65. (i) Find the probability that the first failure occurs at the fifth examination. (3 marks) (ii) Find the probability that the third failure happens at the fifth examination. (4 marks)