DIRECTION : A professor keeps data on students tabulated by performance and sex of the student. The data is kept on a computer disk, but unfortunately some of it is lost because of a virus. Only the following could be recovered:
Panic buttons were pressed but to no avail. An expert committee was formed, which decided that the following facts were self evident:
1.One third of the male students were average.
2.Half the students were either excellent or good.
3.40% of the students were females.
Over 2005-2020, which two fuels meet more than 60 per cent of the total energy demand of the World and Asia both?
Create a FREE account and get: