The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 7 tickets per day. a. what is the average number of tickets per day b. Find the probability that exactly 3 tickets are written on a randomly selected day from this distribution. c. Find the probability that more than 2 tickets are written on a randomly selected day from this distribution.
The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 7 tickets per day. a. what is the average number of tickets per day b. Find the probability that exactly 3 tickets are written on a randomly selected day from this distribution. c. Find the probability that more than 2 tickets are written on a randomly selected day from this distribution.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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