Probability that at least two of three packets pass

In a production line of a factory, each packet contains four items. Past record shows that $20\%$ of the produced items are defective. A quality manager inspects each item in a packet and approves the packet for shipment if at most one item in the packet is found to be defective. Then the probability (round off to 2 decimal places) that out of the three randomly inspected packets at least two are approved for shipment equals __________