48. A population is made up of r disjoint subgroups. Let p, denote the propor- tion of...

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48. A population is made up of r disjoint subgroups. Let p, denote the propor-

tion of the population that is in subgroup i, i 1,..., r. If the average weight of the members of subgroup i is w, i 1,..., r, what is the aver-

age weight of the members of the population?

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A First Course In Probability

ISBN: 9780137463145

5th Edition

Authors: Sheldon M. Ross

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Question Posted: Sep 14, 2024 05:01 AM

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48. A population is made up of r disjoint subgroups. Let p, denote the propor- tion of...

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A First Course In Probability

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