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Solved: Table 2-1 provides data on wafers categorized by
Chapter 2, Problem 164E(choose chapter or problem)
Problem 164E
Table 2-1 provides data on wafers categorized by location and contamination levels. Let A denote the event that contamination is low, and let B denote the event that the location is center. Are A and B independent? Why or why not?
TABLE 2-1. Wafers in Semiconductor Manufacturing Classified by Contamination and Location
Location in |
Sputtering Tool |
||
Contamination |
Center |
Edge |
Total |
Low |
514 |
68 |
582 |
High |
112 |
246 |
358 |
Total |
626 |
314 |
Questions & Answers
QUESTION:
Problem 164E
Table 2-1 provides data on wafers categorized by location and contamination levels. Let A denote the event that contamination is low, and let B denote the event that the location is center. Are A and B independent? Why or why not?
TABLE 2-1. Wafers in Semiconductor Manufacturing Classified by Contamination and Location
Location in |
Sputtering Tool |
||
Contamination |
Center |
Edge |
Total |
Low |
514 |
68 |
582 |
High |
112 |
246 |
358 |
Total |
626 |
314 |
ANSWER:
Solution
Step 1 of 1
We have to find whether A and B are independent or not
Let A be the event that the contamination is low
Let B be the event that the location is center
If A and B are independent it should satisfies the condition
Now