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Bicycle Repair Shop Narrative

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Bicycle Repair Shop Narrative
The number of people arriving at a bicycle repair shop follows a Poisson distribution, with an average of five arrivals per hour. Let x represent number of people arriving per hour.
-It was estimated that 2% of a particular 1997 model minivan had incorrectly installed brake lines. Suppose 300 minivans of this model are selected at random. Let x represent the number of minivans with incorrectly installed brake lines. What is the probability that nine have incorrectly installed brake lines?

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Since n is large and p is smal...

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