Question

A students marks in the laboratory, lecture and recitation parts of a physics course were 71, 78 & 89
respectively.

a) If the weights accorded to these marks are 2, 4, 5 respectively, what is an appropriate average mark

b) What is the average mark if equal weights are used ​

Answer 1

Answer:

If the weights accorded to these marks are 2, 4, 5 respectively, what is an appropriate average mark