With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the entire batch is rejected if there is at least one defective unit. The ABCD Electronics Company has just manufactured 5500 write-rewrite CDs, and 170 are defective. If 6 of these CDs are randomly selected and tested, what is the probability that the entire batch will be rejected?

Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol.
prob = %