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Mixed Poisson/exponential (draw pictures where appropriate and show formulas with numbers plugged...

  1. Mixed Poisson/exponential (draw pictures where appropriate and show formulas with numbers plugged in as well as answers.)

Customers arrive at the drive-up window of a fast-food restaurant at a rate of 2 per minute during the lunch hour (noon-1pm).

  1. What is the probability that exactly 3 customers will arrive in 1 minute?
  1. What is the probability that at least 1 customer will arrive in 5 minutes?
  1. What is the probability that no customers will arrive in 2 minutes?

  1. Given a customer has just arrived, what is the probability that the next customer will arrive within 1 minute?
  1. Given a customer has just arrived, what is the probability that the next customer will arrive within 2 minutes?
  1. Given a customer has just arrived, what is the probability the next customer will NOT arrive within the next 2 minutes?  
math   Statistics-And-Probability   
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3 1 -10 o 四! o.393 9 S z c-Y 고 2 -1 1- P (C 2) 0 3645

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