Table 2 Optimum \(DSP - (n{}_{1},n_{2} )\) for life tests based on Pareto type IV distribution having shape parameters \(\lambda = 2\) and \(\eta = 0.5\)(r = 0.90). Key: \(n{}_{1},n_{2} ,ASN\;at\;p_{1}\).

From: Design of double sampling inspection plans for life tests under time censoring based on Pareto type IV distribution

OR	\(t/\rho_{0}\)
OR	0.05	0.075	0.1	0.125	0.15	0.175	0.2	0.225	0.25	0.275
3.6	681, 950, 827	303, 423, 368	171, 235, 208	110, 147, 133	77, 99, 93	57, 71, 69	44, 53, 53	35, 41, 42	29, 30, 34	24, 26, 29
3.7	634, 1078, 790	282, 483, 352	159, 270, 199	102, 173, 128	72, 104, 88	53, 77, 65	41, 56, 50	32, 52, 40	27, 32, 32	22, 30, 27
3.8	596, 1183, 759	265, 537, 339	150, 276, 189	96, 185, 122	67, 124, 85	50, 78, 61	38, 69, 48	31, 41, 37	25, 36, 31	21, 28, 26
3.9	563, 1300, 734	251, 544, 323	142, 278, 179	91, 183, 116	64, 108, 79	47, 84, 59	36, 69, 46	29, 45, 36	24, 32, 29	20, 26, 24
4.0	534, 1387, 708	238, 570, 310	134, 338, 177	86, 213, 113	60, 138, 78	45, 73, 55	34, 79, 45	27, 61, 35	22, 49, 29	19, 25, 23
4.1	508, 1379, 674	226, 640, 303	128, 280, 162	82, 190, 105	57, 147, 75	42, 114, 56	33, 53, 40	26, 47, 32	21, 44, 27	18, 25, 22
4.2	484, 1345, 639	216, 510, 275	122, 267, 153	78, 201, 102	55, 100, 67	40, 126, 55	31, 64, 39	25, 40, 30	20, 45, 26	17, 26, 21
4.3	462, 1232, 598	206, 497, 261	116, 298, 149	75, 149, 92	52, 119, 66	39, 64, 47	30, 50, 36	24, 37, 29	19, 61, 26	16, 31, 20
4.4	441, 1239, 573	197, 452, 246	111, 261, 139	71, 216, 95	50, 97, 61	37, 68, 45	29, 42, 34	23, 34, 27	19, 25, 22	16, 19, 19
4.5	421, 2076, 632	188, 472, 237	106, 267, 134	68, 179, 87	48, 87, 58	35, 89, 45	27, 61, 34	22, 33, 26	18, 26, 21	15, 22, 18
4.6	403, 1481, 548	180, 444, 224	102, 211, 123	65, 202, 85	46, 82, 55	34, 60, 41	26, 51, 32	21, 33, 25	17, 29, 20	14, 29, 17
4.7	386, 1624, 539	172, 534, 223	97, 302, 126	63, 120, 75	44, 82, 52	33, 50, 38	25, 47, 30	20, 34, 24	16, 49, 21	14, 18, 16
4.8	371, 966, 459	165, 482, 209	93, 306, 121	60, 138, 73	42, 86, 50	31, 64, 37	24, 45, 29	19, 39, 23	16, 22, 19	13, 24, 16
4.9	356, 933, 438	159, 361, 191	90, 185, 107	58, 111, 68	40, 126, 52	30, 54, 35	23, 45, 28	19, 24, 22	15, 27, 18	13, 16, 15
5.0	342, 883, 417	152, 504, 195	86, 213, 105	56, 98, 65	39, 71, 46	29, 48, 34	22, 49, 27	18, 26, 21	15, 19, 17	12, 23, 15
5.1	328, 1142, 421	147, 320, 174	83, 177, 98	53, 159, 67	37, 104, 46	28, 44, 32	22, 29, 25	17, 31, 20	14, 23, 16	12, 15, 14
5.2	316, 865, 384	141, 346, 169	80, 163, 93	51, 154, 64	36, 69, 42	27, 42, 31	21, 30, 24	17, 21, 19	14, 17, 16	11, 30, 14
5.3	304, 895, 372	136, 308, 160	77, 159, 90	50, 85, 57	35, 58, 40	26, 41, 30	20, 32, 23	16, 25, 19	13, 21, 15	11, 16, 13
5.4	293, 819, 353	131, 300, 154	74, 165, 87	48, 87, 55	34, 51, 38	25, 40, 29	19, 39, 22	15, 46, 19	13, 16, 15	11, 12, 12
5.5	283, 694, 333	126, 323, 149	71, 216, 87	46, 95, 53	32, 74, 38	24, 41, 28	19, 25, 21	15, 22, 17	12, 23, 14	10, 19, 12
5.6	273, 670, 319	122, 267, 141	69, 144, 79	45, 73, 51	31, 64, 36	23, 45, 27	18, 29, 21	14, 39, 17	12, 16, 14	10, 14, 12
5.7	263, 744, 313	118, 245, 135	67, 124, 76	43, 83, 49	30, 60, 35	22, 61, 27	17, 43, 20	14, 20, 16	12, 13, 13	10, 11, 11
5.8	254, 727, 301	114, 236, 130	64, 168, 75	42, 68, 47	29, 57, 33	22, 32, 25	17, 24, 19	14, 16, 16	11, 17, 13	9, 20, 11
5.9	246, 603, 284	110, 239, 125	62, 145, 72	40, 85, 46	28, 58, 32	21, 35, 24	16, 33, 19	13, 21, 15	11, 13, 12	9, 13, 10
6.0	238, 570, 273	106, 267, 123	60, 138, 69	39, 71, 44	27, 61, 31	20, 45, 23	16, 22, 18	13, 16, 15	11, 11, 12	9, 10, 10
6.1	230, 589, 265	103, 220, 116	58, 140, 67	38, 63, 42	26, 94, 32	20, 28, 22	15, 31, 17	12, 24, 14	10, 16, 12	9, 9, 10
6.2	223, 527, 253	100, 199, 112	56, 168, 66	37, 57, 41	26, 38, 29	19, 33, 21	15, 21, 17	12, 17, 14	10, 12, 11	8, 15, 9
6.3	216, 510, 245	96, 290, 112	55, 100, 61	35, 89, 40	25, 40, 28	19, 24, 21	14, 39, 17	12, 13, 13	10, 10, 11	8, 11, 9
6.4	209, 534, 238	93, 306, 110	53, 109, 59	34, 79, 39	24, 45, 27	18, 29, 20	14, 21, 16	11, 21, 13	9, 18, 11	8, 9, 9
6.5	204, 409, 226	91, 183, 101	51, 154, 60	33, 75, 37	23, 64, 27	18, 22, 20	14, 17, 15	11, 15, 12	9, 13, 10	8, 8, 9

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Table 2 Optimum \(DSP - (n{}_{1},n_{2} )\) for life tests based on Pareto type IV distribution having shape parameters \(\lambda = 2\) and \(\eta = 0.5\)(r = 0.90). Key: \(n{}_{1},n_{2} ,ASN\;at\;p_{1}\).

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