As a check on the quality of an electronics assembly line, a quality control engineer gives...
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As a check on the quality of an electronics assembly line, a quality control engineer gives a pass/fail test to parts coming off the end of the assembly line until she is able to collect 12 good parts. She then reports the number z, which is the number of parts she had to test to get the 12 good ones? (a) What kind of random variable is z? (b) How high must the probability of a part passing be in order for her to have a 35% chance of getting 12 good parts from the first 12 she tests? As a check on the quality of an electronics assembly line, a quality control engineer gives a pass/fail test to parts coming off the end of the assembly line until she is able to collect 12 good parts. She then reports the number z, which is the number of parts she had to test to get the 12 good ones? (a) What kind of random variable is z? (b) How high must the probability of a part passing be in order for her to have a 35% chance of getting 12 good parts from the first 12 she tests?
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Answer a z is a random variable representing the number of parts the quality control engineer has to test to get 12 good parts b The probability of a ... View the full answer
Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
Posted Date:
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