Mansoor Tuesday, December 16, 2014 at 8:44pm
Bender Electronics buys keyboards for its computers from another company. The keyboards are received
in shipments of 100 boxes, each box containing 20 keyboards. The quality control department at
Bender Electronics first randomly selects one box from each shipment and then randomly selects 5 keyboards
from that box. The shipment is accepted if not more than 1 of the 5 keyboards is defective. The
quality control inspector at Bender Electronics selected a box from a recently received shipment of keyboards.
Unknown to the inspector, this box contains 6 defective keyboards.
a. What is the probability that this shipment will be accepted?
b. What is the probability that this shipment will not be accepted?
1 answer
for part a is 0.516 and for part b is 0.484
1 answer