Aco pany that translates books between various languages is arrenty testing a co

Question

Aco pany that translates books between various languages is arrenty testing a computer-based tansation senice The founder of the company expe the co outer program to make some errors but then so do hanan vanslators. The computer error rate is supposed to be an average of 4 per 500 words of ransation Sp 0 the company founder fandomiy selects 1,500 ord passage. As me the Poisson distribution applies and that the computer error rate is actualy 4 errors per 500 words. Complete parts a through d a. Determine the probablity that no errors will be found. The probability is 0 . Round to four decrnal places as needed.) b. Calculate the probability that more than 19 errors will be found The probability is .0213·(Round to four decimal places as needed.) Find the probability that fewer than 12 errors wil be found. The probablity is (Round to four dea al paces as needed.)

Explanation / Answer

Given average = 4 errors per 500 words = 12 errors per 1500 words

Hence,

P(Fewer than 12)

= P(X < 12)

= P(X <= 11)

= Poisson.dist(11, 12, TRUE) [Excel Formula]

= 0.4616

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