A manufacturer of window frames knows from long experience that 10% of the production will have some type of minor defect that will require an adjustment What is the probability that in a sample of15 window frames: 3. None will need adjustment? (Round the final answer to 4 decimal places.) Probability |:| b. At least one will need adjustment? (Round the final answer to 4 decimal places.) Probability |:| c. More than two will need adjustment? (Round the final answer to 4 decimal places.) Probability |:|