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Among the cast aluminum parts manufactured on a certain day, 90% were flawless, 8% had only a minor flaw, and 2% had major flaws. Suppose we select a random part from the production line. What is the probability that the part has at least one flaw

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Answer:

10% probability that the part has at least one flaw

Step-by-step explanation:

We have these following probabilities:

90% probability of the part being flawless.

8% probability of the part having a minor flaw

2% probability of the part having major flaws.

What is the probability that the part has at least one flaw

Minor or major flaws. So 8% + 2% = 10%

10% probability that the part has at least one flaw