5. Two processes A and B, were used to produce stainless steel shafts in an industrial company. Process A and Process B produce 9% and 12% nonconforming stainless steel shafts, respectively. a. A random sample of 100 stainless steel shafts were taken from Process A. What is the UTM probability that more than 95% of the stainless steel shafts are conforming? b. A random sample of 90 stainless steel shafts from Process A and 80 stainless steel shafts from Process B were taken randomly. Find the probability that the difference between proportion of the nonconforming stainless steel shafts from Process A and Process B is at most 0.1. UTM UTM UTM (*

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Question Number (5)ENGINEERING STATISTICS Civil Engineering

5. Two processes A and B, were used to produce stainless steel shafts in an industrial company.
UTM
Process A and Process B produce 9% and 12% nonconforming stainless steel shafts,
respectively.
a. A random sample of 100 stainless steel shafts were taken from Process A. What is the
probability that more than 95% of the stainless steel shafts are conforming?
UTM UTM
b. A random sample of 90 stainless steel shafts from Process A and 80 stainless steel shafts
TM
from Process B were taken randomly. Find the probability that the difference between
proportion of the nonconforming stainless steel shafts from Process A and Process B
UTM UTM
UTM
is at most 0.1.
UTM
UTM
SUTM
UTM
UTM
Transcribed Image Text:5. Two processes A and B, were used to produce stainless steel shafts in an industrial company. UTM Process A and Process B produce 9% and 12% nonconforming stainless steel shafts, respectively. a. A random sample of 100 stainless steel shafts were taken from Process A. What is the probability that more than 95% of the stainless steel shafts are conforming? UTM UTM b. A random sample of 90 stainless steel shafts from Process A and 80 stainless steel shafts TM from Process B were taken randomly. Find the probability that the difference between proportion of the nonconforming stainless steel shafts from Process A and Process B UTM UTM UTM is at most 0.1. UTM UTM SUTM UTM UTM
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