The lower and upper specifications for a software upgrade are 76 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 79.2 83.2 79.6 78.9 80.8 79.7 80.3 78.7 79.6 79.2 79.6 80.6 80.0 81.0 83.9 79.7 80.4 78.7 78.4 80.4 80.3 79.4 80.6 80.0 81.0 80.1 80.8 80.6 78.8 5 6 81.1 Expected process output %