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Get Full Access to Applied Statistics And Probability For Engineers - 6 Edition - Chapter 4.9 - Problem 140e
Get Full Access to Applied Statistics And Probability For Engineers - 6 Edition - Chapter 4.9 - Problem 140e

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Raw materials are studied for contamination. Suppose that

ISBN: 9781118539712 55

Solution for problem 140E Chapter 4.9

Applied Statistics and Probability for Engineers | 6th Edition

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Problem 140E

Problem 140E

Raw materials are studied for contamination. Suppose that the number of particles of contamination per pound of material is a Poisson random variable with a mean of 0.01 particle per pound.

(a) What is the expected number of pounds of material required to obtain 15 particles of contamination?

(b) What is the standard deviation of the pounds of materials required to obtain 15 particles of contamination?

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Dy 32 10­25­2016 Lecture 17: The First Human Diaspora: Homo erectus/ergaster Australopithecine Terminology ● Australopithecine group ○ Australopithecus afarensis ○ Paranthropus and Australopithecus boisei Australopithecine to Early Homo ● Brain increase in brain size ● Face ­ reduction in size ● Teeth ­ reduction in size ● After Australopithecus afarensis, more modern­looking and variable ○ Earliest Homo are found in robust forms in East Africa Genus Homo ● Larger, rounded brain casing ● Less projecting face ● Smaller teeth ● More efficient bipedalism (habitual

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