Question

A distribution consists of three components with frequencies 300,200 and 600 having their means 16,8and4 respectively find the mean of the combined distribution​

Answer 1

Answer:

Hydroelectricity, or hydroelectric power, is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity, and was expected to increase by about 3.1% each year for the next 25 years.