Inactive oil and gas structures. U.S. federal regulations require that operating companies clear all inactive off- shore oil and gas structures within one year after produc- tion ceases. Researchers at the Louisiana State University Center for Energy Studies gathered data on both active 5. Well Fixed Caisson Protector Platform Totals Active 503 225 1,447 2,175 Inactive 598 177 450 1,225 and inactive oil and gas structures in the Gulf of Mexico (Oil & Gas Journal, Jan. 3, 2005). They discovered that the gulf had 2,175 active and 1,225 idle (inactive) struc- tures at the end of 2003. The table on pg. 94 breaks down Source: Kaiser, M., and Mesyanzhinov, D. "Study tabulates idle Gulf of Mexico structures." Oil & Gas Journal, Vol. 103, No. 1, Jan. 3, 2005 (Table 2). these structures by type (caisson, well protector, or fixed platform). Consider the structure type and active status of one of these oil/gas structures. a. List the simple events for this experiment. b. Assign reasonable probabilities to the simple events. c. Find the probability that the structure is active. d. Find the probability that the structure is a well protector. e. Find the probability that the structure is an inactive caisson. f. Find the probability that the structure is either inactive or a fixed platform. g. Find the probability that the structure is not a caisson.
Inactive oil and gas structures. U.S. federal regulations require that operating companies clear all inactive off- shore oil and gas structures within one year after produc- tion ceases. Researchers at the Louisiana State University Center for Energy Studies gathered data on both active 5. Well Fixed Caisson Protector Platform Totals Active 503 225 1,447 2,175 Inactive 598 177 450 1,225 and inactive oil and gas structures in the Gulf of Mexico (Oil & Gas Journal, Jan. 3, 2005). They discovered that the gulf had 2,175 active and 1,225 idle (inactive) struc- tures at the end of 2003. The table on pg. 94 breaks down Source: Kaiser, M., and Mesyanzhinov, D. "Study tabulates idle Gulf of Mexico structures." Oil & Gas Journal, Vol. 103, No. 1, Jan. 3, 2005 (Table 2). these structures by type (caisson, well protector, or fixed platform). Consider the structure type and active status of one of these oil/gas structures. a. List the simple events for this experiment. b. Assign reasonable probabilities to the simple events. c. Find the probability that the structure is active. d. Find the probability that the structure is a well protector. e. Find the probability that the structure is an inactive caisson. f. Find the probability that the structure is either inactive or a fixed platform. g. Find the probability that the structure is not a caisson.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:Inactive oil and gas structures. U.S. federal regulations
require that operating companies clear all inactive off-
shore oil and gas structures within one year after produc-
tion ceases. Researchers at the Louisiana State University
Center for Energy Studies gathered data on both active
5.
Well
Fixed
Caisson
Protector
Platform
Totals
Active
503
225
1,447
2,175
Inactive
598
177
450
1,225
and inactive oil and gas structures in the Gulf of Mexico
(Oil & Gas Journal, Jan. 3, 2005). They discovered that
the gulf had 2,175 active and 1,225 idle (inactive) struc-
tures at the end of 2003. The table on pg. 94 breaks down
Source: Kaiser, M., and Mesyanzhinov, D. "Study tabulates idle
Gulf of Mexico structures." Oil & Gas Journal, Vol. 103, No. 1,
Jan. 3, 2005 (Table 2).
these structures by type (caisson, well protector, or fixed
platform). Consider the structure type and active status of
one of these oil/gas structures.
a. List the simple events for this experiment.
b. Assign reasonable probabilities to the simple events.
c. Find the probability that the structure is active.
d. Find the probability that the structure is a well
protector.
e. Find the probability that the structure is an inactive
caisson.
f. Find the probability that the structure is either inactive
or a fixed platform.
g. Find the probability that the structure is not a caisson.
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