Please answer the following question using PYTHON with all relevant assumptions, explanations and details.

Question: An electrical manufacturing company conducts quality checks at specified periods on the products it manufactures. Historically, the failure rate for the manufactured item is 5%. Suppose a random sample of 10 manufactured items is selected. Answer the following questions. A. Probability that none of the items are defective? B. Probability that exactly one of the items is defective? C. Probability that two or fewer of the items are defective? D. Probability that three or more of the items are defective ?