Question 1: The following table summarizes the analysis of samples of galvanized steel for coating weight and surface roughness: coating weight low high 24 22 surface high roughness low 78 26 a. If the coating weight of a sample is low, what is the probability that the surface roughness is low? b. If the surface roughness of a sample is low, what is the probability that the coating weight is low? c. If the surface roughness of a sample is high, what is the probability that the coating weight is low?

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Question 1: The following table summarizes the analysis of samples of galvanized steel for
coating weight and surface roughness:
coating weight
high
low
22
surface high
roughness low
24
78
26
a. If the coating weight of a sample is low, what is the probability that the surface roughness
is low?
b. If the surface roughness of a sample is low, what is the probability that the coating weight
is low?
c. If the surface roughness of a sample is high, what is the probability that the coating weight
is low?
Transcribed Image Text:Question 1: The following table summarizes the analysis of samples of galvanized steel for coating weight and surface roughness: coating weight high low 22 surface high roughness low 24 78 26 a. If the coating weight of a sample is low, what is the probability that the surface roughness is low? b. If the surface roughness of a sample is low, what is the probability that the coating weight is low? c. If the surface roughness of a sample is high, what is the probability that the coating weight is low?
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