The lower and upper specifications for a software upgrade are 77 minutes and 81 minutes. Estimate the percentage of process output that can be expected to fall within the specifications. (Round your answer to 1 decimal place.)

SAMPLE
1	2	3	4	5	6
79.2		78.4		79.6		78.9		80.5		79.7
81.9		78.7		79.6		79.8		79.6		80.6
80.0		81.0		78.9		79.7		80.4		79.1
78.4		80.4		80.3		79.4		78.5		80.0
81.0		80.1		80.8		80.6		78.8		81.1