Students come randomly and independently at the cashier’s window at the rate of 30 students per hour during the first week of enrolment.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Students come randomly and independently at the cashier’s window at the rate of 30 students per hour during the first week of enrolment.

  1. Identify the probability distribution of the given problem.
  2. What is the probability 10 students will arrive at a 30 minute time period? 
  3. What is the probability no student will arrive in a 5 minute period? 
  4. What is the probability at most 2 students will arrive in a 5 minute period? (Add the probabilities that 0, 1, and 2 students will arrive in a 5 minute period)
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