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Part $1$

A local cable company with customers in $15$ towns is considering offering$$ high$-$speed internet service on its cable lines. Before launching the new service they want to find out whether customers would pay the$$ $$50$ per month that they plan to charge. An intern has prepared a couple of alternative plans for assessing customer demand. For$$ each, indicate what kind of sampling strategy is involved and what$($if any$)$ biases might result. Complete parts a and b$.$ What kind of bias$($if any$)$ is most likely to$$ result?