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Answer:

4.9 miles

Step-by-step explanation:

Given :

Distances covered over 5 days :

5 miles, 4 miles, 5.5 miles, 4.5 miles, 5.5 miles

The Mean = ΣX/ n

Where, n = 5

Mean = (5+4+5.5+4.5+5.5) / 5

Mean = 24.5 / 5

Mean distance covered = 4.9 miles