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vodomira [7]
3 years ago
9

Inspecting final products.

Mathematics
1 answer:
goblinko [34]3 years ago
3 0
P(non-conforming and complete inspection) = 0.08 x 0.55 = 0.044
P(conforming and complete inspection) - 0.92 x 0.2 = 0.184
P(complete inspection) = 0.044 + 0.184 = 0.228
P(non-conforming|complete inspection) = 0.044/0.228 = 0.193

the answer is 0.193 or 19.3%
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Another way to solve this problem is as follow:

5 + (3) people are considered (for the time being) as 6 entities:

The 1st has a choice among 14 ways

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or 6 ways:

Total number of permutation = 2,162,160 x 6 = 12,972,960

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