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☐ A
In a meat packaging plant Machine A accounts for 60% of the plant's output, while Machine B accounts for
40% of the plant's output. In total, 4% of the packages are improperly sealed. Also, 3% of the packages are
from Machine A and are improperly sealed. If a package selected at random is improperly sealed, the
probability that it came from machine A is
A. 0.75
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B. 0.50
C. 0.60
D. 0.45