Truncated Life Test Plans for Economic Reliability Based on Four-Parametric Burr Distribution

Table 3

Operating characteristic values for the proposed plan based on Burr distribution with 𝑘=2 and 𝛼=2 for specified values of terminating number 𝑟 and producer’s risk 𝛼^∗=0.05, 0.01, 0.10, and 0.25.

𝛽/𝛽0	(OC curve 1)	(OC curve 2)	(OC curve 3)	(OC curve 4)
	𝑟=4, 𝛼^∗=0.05	𝑟=4, α* = 0.01	𝑟=4, 𝛼^∗=0.10	𝑟=4, 𝛼^∗=0.25
	𝑛=8, 𝑡/𝛽0=0.33525	𝑛=8, 𝑡/𝛽0=0.18949	𝑛=12, 𝑡/𝛽0=0.29388	𝑛=12, 𝑡/𝛽0=0.35692
0.1	1	1	1	1
0.2	1	0.958	1	1
0.3	0.99	0.612	0.999	1
0.4	0.9	0.258	0.978	0.998
0.5	0.688	0.095	0.862	0.97
0.6	0.451	0.035	0.652	0.872
0.7	0.269	0.014	0.436	0.706
0.8	0.154	0.006	0.272	0.521
0.9	0.087	0.003	0.163	0.362
1.0	0.049	0.001	0.097	0.242
1.1	0.028	0.0006	0.058	0.159
1.2	0.017	0.0003	0.035	0.103
1.3	0.009	0.0002	0.022	0.068
1.4	0.006	0.0001	0.013	0.044
1.5	0.004	0.00005	0.009	0.029
1.6	0.002	0.00004	0.006	0.02
1.7	0.002	0.00002	0.004	0.013
1.8	0.001	0.00001	0.002	0.009
1.9	0.001	0.000009	0.002	0.006