John Thurgood founded a company that translates Chinese books into English. His company is currently testing a computer-based translation service.
Since Chinese symbols are difficult to translate, John assumes the computer program will make some errors, but then so do human translators. The computer error rate is supposed to be an average of 3 per 400 words of translation. Suppose John randomly selects a 1,200-word passage. Assuming that the Poisson distribution applies, if the computer error rate is actually 3 errors per 400 words, determine the probability that no errors will be found.A) 0.0001
B) 0.0141
C) 0.0415
D) 0.4557
Question 2
College-Pro Painting does home interior and exterior painting. The company uses inexperienced painters that do not always do a high-quality job. It believes that its painting process can be described by a Poisson distribution with an average of 4.
8 defects per 400 square feet of painting.What is the probability that a 400-square-foot painted section will have fewer than 6 blemishes?A) 0.2818
B) 0.3414
C) 0.4857
D) 0.6510
John Hopkins University
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