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An important part of the customer service responsibilities of a cable company relates to the speed...

An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired. Historically, the data show that the likelihood is 0.40 that troubles in a residential service can be repaired on the same day. For the first 7 troubles reported on a given day, what is the probability that more than 4 troubles will be repaired on the same day?

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