Provide an appropriate response. the peak shopping time at a pet store is between 8-11: 00 am on saturday mornings. management at the pet store randomly selected 130 customers last saturday morning and decided to observe their shopping habits. they recorded the number of items that a sample of the customers purchased as well as the total time the customers spent in the store. identify the types of variables recorded by the pet store. a) number of items - continuous; total time - continuousb) number of items - discrete; total time - continuousc) number of items - discrete; total time - discreted) number of items - continuous; total time - discrete