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Automobiles arrive at the Elkhart exit of the Indiana Toll Road at the rate of two per
Chapter 0, Problem 34(choose chapter or problem)
Automobiles arrive at the Elkhart exit of the Indiana Toll Road at the rate of two per minute. The distribution of arrivals approximates a Poisson distribution. a. What is the probability that no automobiles arrive in a particular minute? b. What is the probability that at least one automobile arrives during a particular minute?
Questions & Answers
QUESTION:
Automobiles arrive at the Elkhart exit of the Indiana Toll Road at the rate of two per minute. The distribution of arrivals approximates a Poisson distribution. a. What is the probability that no automobiles arrive in a particular minute? b. What is the probability that at least one automobile arrives during a particular minute?
ANSWER:Step 1 of 3
Formula Poisson probability:
Complement rule:
Addition rule for disjoint or mutually exclusive events: