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.) 1 2 SAMPLE 4 79.2 82.5 79.6 78.9 80.2 79.7 79.5 78.7 79.6 79.3 80.0 81.0 80.6 79.7 76.4 80.4 80.3 79.4 81.0 80.1 80.8 80.6 79.6 80.6 80.4 10.4 80.8 30.0 78.8 81.1 Expected process output