4.From records in the KCI Archives,the following data from 1979 was collected 12 students studied sociology,economics and accounting 27 studied sociology and accounting 20 studies sociology and economics 21 studied economics and accounting 36 studies sociology 36 studied economics 58 studied accounting
a.
How many students took either sociology,economics or accounting le.,what is the value of AUB UC? b. How many students studied sociology but neither of the two business subjects