According to a 2016 survey, 6 percent of workers arrive to work between 6:45A.M.and 7:00A.M.Suppose 300 workers will be selected at random from all workers in 2016. Let the random variableWrepresent the number of workers in the sample who arrive to work between 6:45A.M.and 7:00A.M.Assuming the arrival times of workers are independent, which of the following is closest to the standard deviation ofW?