표 3. | Table 3. 시료 수 분석 결과 (신뢰도 80%, 신뢰수준 60%, 시험기간 960시간) | Results of sample size analysis (reliability 80%, confidence level 60%, test time 960hr)

Sample Size	Test Time for 0 Failures	Test Time for 1 Failures	Test Time for 2 Failures
1	1,945	N/A	N/A
2	1,376	2,480	N/A
3	1,123	1,859	2,767
4	973	1,558	2,142
5	870	1,369	1,825
6	794	1,237	1,621
7	735	1,136	1,474
8	688	1,057	1,362
9	648	993	1,272
10	615	939	1,198