Research Article

Acceptance Sampling Plans from Life Tests Based on Percentiles of Half Normal Distribution

Table 1

Minimum sample sizes necessary to assert the median life of a product.

0.1 0.2 0.4 0.6 0.8 1.0 1.5 2.0 2.5 3.0

0.75 0 26 13 6 4 3 3 2 2 2 1
0.75 1 50 25 12 8 6 5 3 3 2 2
0.75 2 72 36 18 12 9 7 5 4 4 3
0.75 3 94 47 23 16 12 10 7 5 5 4
0.75 4 116 58 29 19 15 12 8 7 6 5
0.75 5 137 68 34 23 17 14 10 8 7 6
0.75 6 158 79 39 26 20 16 11 9 8 8
0.75 7 179 89 45 30 23 18 13 11 9 9
0.75 8 200 100 50 33 25 21 14 12 10 10
0.75 9 220 110 55 37 28 23 16 13 12 11
0.75 10 241 120 60 40 31 25 18 14 13 12

0.90 0 42 21 10 7 5 4 2 2 2 2
0.90 1 71 35 17 11 8 7 4 3 3 2
0.90 2 98 48 24 16 12 9 6 5 4 4
0.90 3 123 61 30 20 15 12 8 6 5 5
0.90 4 147 73 36 24 18 14 10 8 6 6
0.90 5 171 85 42 28 21 17 11 9 8 7
0.90 6 194 96 48 32 24 19 13 10 9 8
0.90 7 217 108 53 35 27 21 15 12 10 9
0.90 8 240 119 59 39 29 24 16 13 11 10
0.90 9 262 130 65 43 32 26 18 14 12 11
0.90 10 284 141 70 47 35 28 20 16 14 12

0.95 0 55 27 13 8 6 5 3 2 2 2
0.95 1 87 43 21 14 10 8 5 4 3 3
0.95 2 115 57 28 18 13 11 7 5 4 4
0.95 3 142 70 34 23 17 13 9 7 6 5
0.95 4 168 83 41 27 20 16 11 8 7 6
0.95 5 193 96 47 31 23 18 12 10 8 7
0.95 6 218 108 53 35 26 21 14 11 9 8
0.95 7 242 120 59 39 29 23 16 12 11 10
0.95 8 266 132 65 43 32 26 18 14 12 11
0.95 9 289 143 71 47 35 28 19 15 13 12
0.95 10 312 155 77 51 38 30 21 16 14 13

0.99 0 84 41 20 13 9 7 4 3 2 2
0.99 1 121 59 29 19 14 11 7 5 4 3
0.99 2 154 76 37 24 17 14 9 7 5 5
0.99 3 184 91 44 29 21 17 11 8 7 6
0.99 4 212 105 51 33 25 19 13 10 8 7
0.99 5 240 119 58 38 28 22 15 11 9 8
0.99 6 267 132 65 42 31 25 16 13 10 9
0.99 7 293 145 71 47 35 27 18 14 12 10
0.99 8 319 158 77 51 38 30 20 15 13 12
0.99 9 345 171 84 55 41 33 22 17 14 13
0.99 10 370 183 90 59 44 35 24 18 15 14