In this paper, two-stage and purely sequential estimation procedures are considered to construct fixed-width confidence intervals for the reliability parameter under the stress-strength model when the stress and strength are independent exponential random variables with different scale parameters. The exact distribution of the stopping rule under the purely sequential procedure is approximated ...

The instability of rice prices in Banten Province is relatively large, the factor causing price fluctuations because production still depends on season. distribution information reference market often experiences a large difference from at follower level. This study aims to analyze pattern movements retail level, wholesaler level and producer province Banten; integration that occurs between use...