In drilling a vertical wellbore, the spacing between major fractures are recorded. It has been found that this spacing is having a mean of 18oo ft and a variance of 3,240,00o ft Estimate the probability that there are no major fractures in the first 3000 ft of drilling and at a depth of 4000-5000 ft?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
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In drilling a vertical wellbore, the spacing between major fractures are recorded. It has been
found that this spacing is having a mean of 18oo ft and a variance of 3,240,00o ft Estimate the
probability that there are no major fractures in the first 3000 ft of drilling and at a depth of
4000-5000 ft?
Transcribed Image Text:In drilling a vertical wellbore, the spacing between major fractures are recorded. It has been found that this spacing is having a mean of 18oo ft and a variance of 3,240,00o ft Estimate the probability that there are no major fractures in the first 3000 ft of drilling and at a depth of 4000-5000 ft?
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