Mathematics, 30.10.2019 05:31 maehardy4134
Acertain typing agency employs 2 typists. the average number of errors per article is 3 when typed by the first typist and 4.2 when typed by the second. if your article is equally likely to be typed by either typist, approximate the probability that it will have no errors.
Answers: 1
= Probability
= Average number of errors 
= Required number of errors 
= 3
= 0
= 4.2
= 0
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Acertain typing agency employs 2 typists. the average number of errors per article is 3 when typed b...
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