A building casts a shadow that is 36 feet long. At the same time of day, a nearby 9-foot tall tree casts a shadow that is 4 feet
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Answer:
0.0444 = 4.44% probability that a part chosen at random (from the sample) was defective.
Step-by-step explanation:
Probability of a defective part:
0.04 of , that is, coming from A.
0.05 of , that is, coming from B. So
0.0444 = 4.44% probability that a part chosen at random (from the sample) was defective.