A box of 16 parts contains 6 that are defective A worker pic

A box of 16 parts contains 6 that are defective. A worker picks parts one at a time and attempts to install them. (a) The first two chosen are both good.

___ (Round to four decimal places as needed.)

Solution

it appears that parts are being drawn randomly each time with replacement, so probability that first 2 attempts are good is (10/16)*(10/16) = 0.390625