Question 1126877

P(bolt chosen first) = 3/6   (this leaves 5 parts in the box)
P(bolt chosen 2nd) = 2/5   (2 out of the 5 remaining parts are bolts)

P(bolt chosen 1st and 2nd) = (3/6)*(2/5) = 6/30 = {{{ highlight( 1/5 ) }}}