Mathematics, 25.10.2019 04:43, MOMMYDORA

Atotal of 280 observations of bob ramos, an assembly-line worker, were made over a 40-hour work week. the sample also showed that bob was busy working (assembling the parts) during 230 observations. (round all intermediate calculations to at least two decimal places before proceeding with further calculations.) a) the percent of time bob is working =

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Atotal of 280 observations of bob ramos, an assembly-line worker, were made over a 40-hour work week...