Suppose steel wires have the tensile strength represented by a normal distribution with mean value equal to 5000N and standard deviation equal to 150N. Knowing that these wires will be used in the manufacture of a steel cable to be mounted on the boom of a crane, what should be the number of wires to be used in the manufacture of this cable so that the probability of the cable breaking with a load less than 50,000N is 2%? What would be the safety factor associated with this probability of failure? Suppose the resistance of the cable is expressed by the sum of the resistance of the wires that make it up.
Suppose steel wires have the tensile strength represented by a normal distribution with mean value equal to 5000N and standard deviation equal to 150N. Knowing that these wires will be used in the manufacture of a steel cable to be mounted on the boom of a crane, what should be the number of wires to be used in the manufacture of this cable so that the probability of the cable breaking with a load less than 50,000N is 2%? What would be the safety factor associated with this probability of failure? Suppose the resistance of the cable is expressed by the sum of the resistance of the wires that make it up.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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Suppose steel wires have the tensile strength represented by a
What would be the safety factor associated with this probability of failure?
Suppose the resistance of the cable is expressed by the sum of the resistance of the wires that make it up.
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