Use the Following Information for Questions

Essay

Use the following information for questions:
The next question are based on a survey of 500 students living in campus dormitories. Questionnaires were mailed to each of the 500 students. The questionnaire asked if they had ever stolen a bicycle or not. The sample proportion who said they had stolen a bicycle was used to estimate the proportion of all students on campus who had ever stolen a bicycle.
-Describe why non-response bias could be a problem for this survey.