Company a purchases large shipments of computer chips and uses this acceptance sampling plan: randomly select and test 100 computer chips, then accept the whole batch if there is less than two defecti

Company a purchases large shipments of computer chips and uses this acceptance sampling plan: randomly select and test 100 computer chips, then accept the whole batch if there is less than two defective; that is, at most one chip does not work. if a particular shipment of computer chips actually has a 2% rate of defects, what is the expected number of defectives parts in this whole shipment?