# homework2 - Homework 2 Solution Note Normally I will assign...

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Homework 2 Solution Note: Normally, I will assign 10 points to each question. There are 12 questions plus one bonus question in homework 2. So, the total points are 120+10. If you have any questions related to the homework points or solutions, I am available through email [email protected] and ANGEL. However, DO NOT turn in your homework to me directly unless you have the instructor’s permisson. 1

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Problem A C denotes the event that a sample conforms to specifications, then C c denotes the event that a sample does not conform to specifications. A denotes the event that a sample is from supplier 1, B denotes the event that a sample is from supplier 2, so (Ω A c B c ) denotes the event that a sample is from supplier 3. (a) The number of samples doesnt conform to specifications is C c = 8 + 5 + 10 = 23 (b) The number of a sample is from supplier 1 and doesnt conform to specifications is A C c = 8 (c)The number of a sample is from the first or third suppliers and conforms to speci- fications is B c C = 22 + 30 = 52

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