Process Safety Progress (Sept. 2004) reported on an emergency response system for incidents involving toxic chemicals in
Question:
a. List the sample points for this experiment.
b. Assign reasonable probabilities to the sample points.
c. What is the probability that the incident occurs in a school laboratory?
d. What is the probability that the incident occurs in either a chemical or a nonchemical plant?
e. What is the probability that the incident does not occur in transit?
f. What is the probability that in a sample of 3 independently selected incidents, all 3 occur in a school laboratory?
g. Would you expect the event in part f to occur? Explain.
Location.......................................Percent of Incidents
School laboratory........................... 6%
In transit.................................... 26%
Chemical plant............................. 21%
Nonchemical plant.........................35%
Other........................................ 12%
Total....................................... .100%
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