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IE143-SQ05 - University of the Philippines Diliman...

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University of the Philippines – Diliman Department of Industrial Engineering and Operations Research IE 143 Short Quiz Short Quiz 5 – Class 2 10 out of 10 All answers and relevant solutions should be written at the back of this questionnaire. 1. The Bernoulli process has three underlying assumptions. One is already given. Give the other two (2 points): -Independence of each Bernoulli trial - - 2. The occurrence of misspelled words (errors) in a certain error-ridden Case study is assumed to be a Bernoulli process. If the mean number of words between the occurrences of two errors is 6.2 (excludes the error to the left but includes the error to the right), find the following. (5 points) a. Probability that the 7 th word contains an error. b. Probability that the 7 th word is the first misspelled word. c. Probability that the 7 th word is the third misspelled word. d. Mean number of errors recorded after looking at the 7 th word. e. Mean number of words that needs to be checked for the 7 th error to be found. 3.
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IE143-SQ05 - University of the Philippines Diliman...

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