Process Safety Progress (Dec. 2004) published a risk analysis for a natural-gas pipeline between Bolivia and Brazil. The most likely scenario for an accident would be natural-gas leakage from a hole in the pipeline. The probability that the leak ignites immediately (causing a jet fire) is .01. If the leak does not immediately ignite, it may result in the delayed ignition of a gas cloud. Given no immediate ignition, the probability of delayed ignition (causing a flash fire) is .01. If there is no delayed ignition, the gas cloud will disperse harmlessly. Suppose a leak occurs in the natural-gas pipeline. Find the probability that either a jet fire or a flash fire will occur. Illustrate with a tree diagram.
Answer to relevant QuestionsSuppose you wish to sample n = 2 elements from a total of N = 10 elements. a. Count the number of different samples that can be drawn, first by listing them and then by using combinatorial mathematics. b. If random ...Give a scenario where the multiplicative rule applies. The nine-digit Zip code has become an integral part of the U.S. postal system. a. How many different Zip codes are available for use by the postal service? (Assume that any nine-digit number can be used as a Zip code.) b. ...In Molecular Systems Biology (Vol. 3, 2007), geneticists at the University of Naples (Italy) used reverse engineering to identify genes. They calculated P(G | D), where D is a gene expression data set of interest and G is a ...Find the numerical value of a. 6! b. c. d. P62 e. f. 0! g. P104 h. P502
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