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Table 7 Sample size comparison between the proposed plan and existing plan for \(\tilde{\alpha }=0.10;\beta =2\) and a = 0.5

From: Inspection plan for COVID-19 patients for Weibull distribution using repetitive sampling under indeterminacy

\(\tilde{\beta }\) \(\frac{\mu_N}{\mu_{0N}}\) IU=0.00 IU=0.02 IU=0.04 IU=0.05
Proposed Existing Proposed Existing Proposed Existing Proposed Existing
0.25 1.1 517.20 646 491.58 617 456.12 573 449.42 558
0.25 1.2 155.09 198 150.09 181 136.88 172 134.22 167
0.25 1.3 85.43 110 80.86 103 76.77 97 74.76 94
0.25 1.4 54.61 66 52.16 62 42.59 59 47.73 58
0.25 1.5 40.34 47 45.48 45 38.75 42 35.43 41
0.25 1.8 28.00 29 20.75 27 19.54 25 18.53 25
0.25 2.0 21.00 21 21.00 20 20.00 19 11.94 19
0.10 1.1 778.83 1122 731.36 1049 693.87 993 666.03 967
0.10 1.2 231.97 327 218.82 315 204.39 298 197.78 285
0.10 1.3 126.10 174 114.70 164 108.58 155 105.81 151
0.10 1.4 83.19 117 78.82 110 68.56 105 69.39 101
0.10 1.5 61.36 84 52.13 79 49.61 76 58.24 73
0.10 1.8 34.22 50 32.40 47 35.08 45 29.81 44
0.10 2.0 26.36 36 24.93 34 23.66 32 22.99 31
0.05 1.1 921.90 1467 860.99 1370 809.80 1297 789.07 1257
0.05 1.2 276.86 435 258.41 411 243.33 383 237.39 373
0.05 1.3 148.49 230 142.08 218 127.94 213 126.23 200
0.05 1.4 97.89 153 89.79 145 90.71 142 82.73 132
0.05 1.5 74.60 112 64.99 106 65.87 100 60.20 98
0.05 1.8 51.50 64 37.07 60 35.08 57 34.70 55
0.05 2.0 35.44 49 33.32 46 31.33 44 30.38 44
0.01 1.1 646 617 573 558
0.01 1.2 351.10 198 331.10 181 312.40 172 301.03 167
0.01 1.3 187.90 110 169.80 103 166.28 97 154.38 94
0.01 1.4 120.60 66 113.10 62 107.50 59 104.49 58
0.01 1.5 87.32 47 82.88 45 82.24 42 75.69 41
0.01 1.8 49.47 29 50.64 27 48.14 25 46.16 25
0.01 2.0 46.08 21 42.60 20 40.05 19 31.76 19
  1. Here hyphens (−) indicates that the parameters cannot be found to satisfy conditions