Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 13 Mar 2018 My Price 5.00

blending of fine

Proper blending of fine and coarse powders prior to copper sintering is essential for uniformity in the finished product. One way to check the homogeneity of the blend is to select many small samples of the blended powders and measure the proportion of the total weight contributed by the fine powders in each. These measurements should be relatively stable if a homogeneous blend has been obtained.

a Suppose that the proportion of total weight contributed by the fine powders has a beta distribution with α = β = 3. Find the mean and variance of the proportion of weight contributed by the fine powders.

b Repeat part (a) if α = β = 2.

c Repeat part (a) if α = β = 1.

d Which of the cases—parts (a), (b), or (c)—yields the most homogeneous blending?

 

 

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Maurice Tutor
(5)
Status NEW Posted 13 Mar 2018 08:03 AM My Price 5.00

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