Answer:
a)
b)
Step-by-step explanation:
a)The judges have given six scores as:
We have to find the average of these scores:
If we want to compute the score of fourth judge, we can rearrange the above equation to get
b) Average score given = 5.7
Judge: 1 2 3 4 5 6
Score: 5.6 5.8 5.6 x 5.9 5.4
Putting the value in the the above equation, we get,
x = 5.9
Thus, the score given by fourth judge is 5.9