A Bank Has Two Automatic Tellers at Its Main Office

question 40

Short Answer

A bank has two automatic tellers at its main office and two at each of its three branches. The number of machines that break down on a given day, along with the corresponding probabilities, are shown in the following table. Find the expected number of machines that will break down on a given day. Give your answer to two decimal places, if necessary. E = __________

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Definitions:

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The fourth-largest lake of the five Great Lakes in North America, known for its fishing industry, recreation, and as a critical source of fresh water.

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