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The Read and Feed restaurant wants to know how satisfied their customers are with their service. They printed an internet link to a survey on every receipt, and $150$ of their customers chose to answer the survey. The data showed that $60 \%$ of the customers were satisfied with their service.$\newline$Based on this data, which of the following conclusions are valid?$\newline$Choose $1$ answer:$\newline$(A) $60 \%$ of customers in this sample are satisfied, but we cannot conclude anything about the population.$\newline$(B) About $60 \%$ of all Read and Feed customers are satisfied.$\newline$(C) About $60 \%$ of all Read and Feed customers who have internet access are satisfied.