The manager of a shopping mall wishes to expand the number of shops available in the food court. he has a market researcher survey the first 100 customers who come into the food court during weekend afternoons to determine what types of food the shoppers would like to see added to the food court. complete parts (a) and (b) below. (a) the survey has bias. determine whether the flaw is due to the sampling method or the survey itself. for biased surveys, identify the cause of the error. what is the cause of the bias?