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The data from 200 machined parts are summarized as
Chapter 2, Problem 202SE(choose chapter or problem)
Problem 202SE
The data from 200 machined parts are summarized as follows:
Depth of |
Bore |
|
Edge of Condition |
Above Target |
Below Target |
Coarse |
15 |
10 |
Moderate |
25 |
20 |
Smooth |
50 |
80 |
(a) What is the probability that a part selected has a moderate edge condition and a below-target bore depth?
(b) What is the probability that a part selected has a moderate edge condition or a below-target bore depth?
(c) What is the probability that a part selected does not have a moderate edge condition or does not have a below-target bore depth?
Questions & Answers
QUESTION:
Problem 202SE
The data from 200 machined parts are summarized as follows:
Depth of |
Bore |
|
Edge of Condition |
Above Target |
Below Target |
Coarse |
15 |
10 |
Moderate |
25 |
20 |
Smooth |
50 |
80 |
(a) What is the probability that a part selected has a moderate edge condition and a below-target bore depth?
(b) What is the probability that a part selected has a moderate edge condition or a below-target bore depth?
(c) What is the probability that a part selected does not have a moderate edge condition or does not have a below-target bore depth?
ANSWER:
Solution:
Step 1 of 2:
The data for 200 machined parts are given.
Depth of Bore |
|||
Edge of condition |
Above Target |
Below Target |
Total |
Coarse |
15 |
10 |
25 |
Moderate |
25 |
20 |
45 |
Smooth |
50 |
80 |
130 |
Total |
90 |
110 |
200 |
- We have to find the probability that a part selected has a moderate edge condition and the bore depth is below the target.
- We have to find the probability that a part selected has a moderate edge condition or the bore depth is below the target.
- We have to find the probability that a part selected does not have a moderate edge condition or does not have a below- target bore depth.