Fire load is the heat energy that could be releasedper square meter of floor area by
Chapter 1, Problem 32(choose chapter or problem)
Fire load is the heat energy that could be releasedper square meter of floor area by combustion of contentsand the structure itself. The article Fire Loads in OfficeBuildings (J. of Structural Engr., 1997: 365368) gavethe following cumulative percentages (read from a graph)for fire loads in a sample of 388 rooms:Value 0 150 300 450 600Cumulative % 0 19.3 37.6 62.7 77.5Value 750 900 1050 1200 1350Cumulative % 87.2 93.8 95.7 98.6 99.1Value 1500 1650 1800 1950Cumulative % 99.5 99.6 99.8 100.0a. Construct a relative frequency histogram and commenton interesting features.b. What proportion of fire loads are less than 600? At least1200?c. What proportion of the loads are between 600 and 1200?
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