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 79.2 2 82.6 3 4 78.7 78.6 80.0 81.0 80.1 79.7 78.4 80.4 80.3 79.4 79.6 78.9 79.6 78.3 5 82.3 79.7 6 79.6 80.6 80.4 78.6 79.2 80.0 81.0 80.1 80.8 80.6 78.8 81.1 Expected process output %