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A customer service manager randomly selects three (3) customers and conducts telephone interviews about the service provided. Based on similar surveys, it is known that
A customer service manager randomly selects three (3) customers and conducts telephone interviews about the service provided. Based on similar surveys, it is known that 20% of all customers are not satisfied with the service provided.
- What is the probability that all three customers are satisfied or all three customers are not satisfied (three decimal places)?
- What is the probability at least one customer in the sample is not satisfied with the service provided?
- What is the probability that one customer or three customers in the sample are not satisfied with the service received (three decimal places)?
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