South Africa reported the number of people employed by sector in a given year as follows (in thousands) 6 678 in the formal business sector (excluding agriculture), 1 492 in the commercial agricultural sector, 653 in subsistence agriculture: 2 865 in the informal business sector and 914 in the domestic service sector Construct a percentage frequency distribution of employment by sector If an employed person is selected at random from the workforce, what is the likelihood that the person earns a living through agriculture?