Quality control: A population of 597 semiconductor wafers contains wafers from three lots. The wafers are categorized by lot and by whether they co a thickness specification, with the results shown in the following table. A wafer is chosen at random from the population. Write your answer as a fracti decimal, rounded to four decimal places. Lot Conforming Nonconforming A 90 12 B 172 34 253 36 Send data to Excel (a) What is the probability that the wafer is from Lot C? (b) What is the probability that the wafer is conforming? (c) What is the probability that the wafer is from Lot C and is conforming?
Quality control: A population of 597 semiconductor wafers contains wafers from three lots. The wafers are categorized by lot and by whether they co a thickness specification, with the results shown in the following table. A wafer is chosen at random from the population. Write your answer as a fracti decimal, rounded to four decimal places. Lot Conforming Nonconforming A 90 12 B 172 34 253 36 Send data to Excel (a) What is the probability that the wafer is from Lot C? (b) What is the probability that the wafer is conforming? (c) What is the probability that the wafer is from Lot C and is conforming?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Transcribed Image Text:Quality control: A population of 597 semiconductor wafers contains wafers from three lots. The wafers are categorized by lot and by whether they co
a thickness specification, with the results shown in the following table. A wafer is chosen at random from the population. Write your answer as a fractic
decimal, rounded to four decimal places.
Lot
Conforming
Nonconforming
A
90
12
В
172
34
C
253
36
Send data to Excel
(a) What is the probability that the wafer is from Lot C?
(b) What is the probability that the wafer is conforming?
(c) What is the probability that the wafer is from Lot C and is conforming?
(d) Given that the wafer is from Lot C, what is the probability that it is conforming?
(e) Given that the wafer is conforming, what is the probability that it is from Lot C?
(f) Let E, be the event that the wafer comes from Lot C, and let E, be the event that the wafer is conforming. Are E, and E, independent?
1
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