A local company manufactures USB drives. As part of the company's quality control process, a sample of USB drives are selected and tested to see if the USB is defective. Suppose in a sample of 40 drives, 11 of them are defective.

• Suppose four drives are selected from the sample. What is the probability that none of them are defective? Enter your answer in blank #1.
• Suppose three drives are selected from the sample. What is the probability that exactly one of the drives is not defective? Enter your answer in blank #2.
• Suppose four drives are selected from the sample. What is the probability that at least one of the drives is not defective? Enter your answer in blank #3.
• Suppose three drives are selected from the sample. What is the probability that at most one of the drives is defective? Enter your answer in blank #4.

(Round your answers to 4 decimal places and enter your answers as 0.1234, not .1234.)