Question 1175643
97% or 0.97 of the disks are not defective
The probability of two in a row not being defective (assuming independence) is 0.97^2=0.9409.
probability that 1 is defective is 2*0.03*0.97=0.0582, since there are two ways that can happen.
The sun of the first two outcomes is 0.9991, and the last possible outcome, that both disks are defective, is 0.03^2 or 0.0009, making the sum 1.0