Question
Eyeglassomatic manufactures eyeglasses for different retailers. they test to see how many defective lenses they made in a time period. The following table gives the
Eyeglassomatic manufactures eyeglasses for different retailers. they test to see how many defective lenses they made in a time period. The following table gives the type of defect and the number of defects of that type that occurred.
Scratch: 5865
Right shaped: 4613
Flakes: 1992
Wrong Axis: 1838
Chamfer wrong: 1596
Crazing, Cracks: 1546
Wrong Shape: 1485
Wrong PD: 1398
Spots and Bubbles: 1371
Wrong Height: 1130
Right shape: 1105
Lost in lab: 976
Spots: 976
A.) Find the probability that a single randomly selected defect lens is scratched or flaked:
B.) Find the probability that a single randomly- selected defective lens is the wrong PD or was lost on the lab:
C.) Find the probability that a single randomly-selected defective lens was not defective due to a scratch:
D.0 Find the probability that a single randomly selected defective was not due to wrong shape:
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Discrete Mathematics With Applications
Authors: Susanna S Epp
5th Edition
0357035283, 9780357035283
