What is the probability that a customer

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A grocery store has 10 checkout lanes. during a busy hour the probability that any given lane is occupied (has at least one customer) is 0.75 assume that the lanes are occupied or not occupied independently of each other.

  1. What is the probability that a customer will find at least one lane unoccupied?
  2. What is the expected number of occupied lanes? What is the standard deviation of the number of occupied lanes?

Reference no: EM132382065

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