Question: How to answer this question please? It is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests

How to answer this question please?

It is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests on 128 new cars on the lot. 1. Describe the sampling distribution of the sample proportion by naming the model and telling its mean and standard deviation. 2. What is the probability that in this group over 18% of the new cars will be found to have electrical problems

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