A total of 100 maintenance costs, C, for ground-mounted transformers in high-density housing areas was collected by the City Electricity Authority. The costs are clustered into $200 cells with midpoints ranging from $600 to $2000. The number of times (frequency) each cell value was observed and its probability are shown. Find the expected value of the costs, E(C), for use in a presen worth (PW) analysis. Cell Midpoint, C₁ 600 800 1000 1200 1400 1600 1800 2000 Frequency 6 10 9 15 29 14 7 10 The expected value of the costs is $ Probability 0.06 0.10 0.09 0.15 0.29 0.14 0.07 0.10
A total of 100 maintenance costs, C, for ground-mounted transformers in high-density housing areas was collected by the City Electricity Authority. The costs are clustered into $200 cells with midpoints ranging from $600 to $2000. The number of times (frequency) each cell value was observed and its probability are shown. Find the expected value of the costs, E(C), for use in a presen worth (PW) analysis. Cell Midpoint, C₁ 600 800 1000 1200 1400 1600 1800 2000 Frequency 6 10 9 15 29 14 7 10 The expected value of the costs is $ Probability 0.06 0.10 0.09 0.15 0.29 0.14 0.07 0.10
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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