By mistake, a manufacturer of CD minirack system includes 3 defective systems in a shipment of 10 going out to a
small retailer. The retailer has decided to accept the shipment of CD systems only if none is found to be defective.
Upon receipt of the shipment, the retailer examined only 5 of the CD systems
a- What is the probability that the shipment will be rejected?
b-If the retailer inspects 6 of the CD shipment what is the probability that the shipment will be accepted?