It has been observed that the average number of traffic accidents requiring medical assistance on the Killer Highway between 7 and 8 AM on Wednesday mornings is 1. What, then, is the chance that there will be a need for exactly 2 ambulances on the said highway, during that time slot on any given Wednesday morning? The hospital dispatcher needs to know.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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 Define the random variable, its distribution, and compute for the variable/measure that is being asked. You can follow the example below

It has been observed that the average number of traffic accidents requiring
medical assistance on the Killer Highway between 7 and 8 AM on Wednesday
mornings is 1. What, then, is the chance that there will be a need for exactly 2
ambulances on the said highway, during that time slot on any given Wednesday
morning? The hospital dispatcher needs to know.
Transcribed Image Text:It has been observed that the average number of traffic accidents requiring medical assistance on the Killer Highway between 7 and 8 AM on Wednesday mornings is 1. What, then, is the chance that there will be a need for exactly 2 ambulances on the said highway, during that time slot on any given Wednesday morning? The hospital dispatcher needs to know.
Ex. A large number of insects are expected to be attracted to a certain variety
of rose plant. A commercial insecticide is advertised as being 99% effective.
Suppose 200 insects infest a rose garden where the insecticide has been
applied. What is the probability that none of these insects can survive?
Random variable: X – number of dead insects
Distribution: X-Bin(200,0.99)
Computation: P[X = 200] = (200) + 0.99200 * 0.01° = 0.1340
Transcribed Image Text:Ex. A large number of insects are expected to be attracted to a certain variety of rose plant. A commercial insecticide is advertised as being 99% effective. Suppose 200 insects infest a rose garden where the insecticide has been applied. What is the probability that none of these insects can survive? Random variable: X – number of dead insects Distribution: X-Bin(200,0.99) Computation: P[X = 200] = (200) + 0.99200 * 0.01° = 0.1340
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