(a) What is the probability that a technician is required after a 1-week period? Probability = (b) If you are the first one in the city to place an order, what is the probability that you have to wait more than 2 weeks from the time you place your order until a technician is dispatcher? Probability = i

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
An installation technician for a specialized communication system is dispatched to a city only when 3 or more orders have been placed.
Suppose the orders follow a Poisson distribution with a mean of 0.26 per week for a city with a population of 100,000 and suppose
your city contains 800,000.
Round your answers to four decimal places (e.g. 98.7654).
(a) What is the probability that a technician is required after a 1-week period?
Probability = i
(b) If you are the first one in the city to place an order, what is the probability that you have to wait more than 2 weeks from the time
you place your order until a technician is dispatcher?
Probability =
i
Transcribed Image Text:An installation technician for a specialized communication system is dispatched to a city only when 3 or more orders have been placed. Suppose the orders follow a Poisson distribution with a mean of 0.26 per week for a city with a population of 100,000 and suppose your city contains 800,000. Round your answers to four decimal places (e.g. 98.7654). (a) What is the probability that a technician is required after a 1-week period? Probability = i (b) If you are the first one in the city to place an order, what is the probability that you have to wait more than 2 weeks from the time you place your order until a technician is dispatcher? Probability = i
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