Suppose it is known from large amounts of historical data that X, the number of cars that arrive at a specific intersection during a 20 second time period, is characterized by the fallowing discrete probability function e-6 x 6* f(x) = for x = 0, 1, 2, 3... x! Find the probability that in a specific 20-second time period, less than 3 cars arrive at the inter-section. A) 0.05949 B) 0.06197 c) 0.14873 D) 0.15120
Suppose it is known from large amounts of historical data that X, the number of cars that arrive at a specific intersection during a 20 second time period, is characterized by the fallowing discrete probability function e-6 x 6* f(x) = for x = 0, 1, 2, 3... x! Find the probability that in a specific 20-second time period, less than 3 cars arrive at the inter-section. A) 0.05949 B) 0.06197 c) 0.14873 D) 0.15120
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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Transcribed Image Text:Suppose it is known from large amounts of historical data that X, the number of cars that arrive at a specific intersection during a 20
second time period, is characterized by the fallowing discrete probability function
e-6 x 6*
f(x) =
for x = 0, 1, 2, 3...
x!
Find the probability that in a specific 20-second time period, less than 3 cars arrive at the inter-section.
A) 0.05949
B) 0.06197
c) 0.14873
D) 0.15120
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