Question

A certain article manufactured in our facilities may present three different types of defects: minor aesthetic,...

A certain article manufactured in our facilities may present three different types of
defects: minor aesthetic, major aesthetic and functional. Of the last 430 items
manufactured, 46 have a minor cosmetic defect, 18 have a major cosmetic defect
and 11 have a functional defect
Only 3 of the 430 present the three types of defect, while 67 present at least one of
aesthetic defects. 9 articles with major aesthetic defect and functional defect were identified,
while there were 4 articles with minor aesthetic defect and functional defect.
Calculate the probability of:
a) Randomly select an item without defect

b) The probability of selecting an item with both types of aesthetic defects

c) If you select an item and it turns out that it has a minor aesthetic defect, what is the
probability that it also has a functional defect?

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