This paper presents the results of a survey of Canadian robot users concerning robot reliability and safety. Data on 26 questions were analyzed and the resulting findings are presented in the form of tables, histograms, pie charts, etc. Provides conclusions including the fact that approximately 75 per cent of companies are using robots for commercial purposes; most general types of robots used in industry are intelligent robots; frequently ineffective maintenance manuals are provided by the robot manufacturers; and robot‐related problems are generally less than 50 per year.

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Limited work has been conducted on the doubly truncation for the mixture of different distributions. This paper is concerned with the doubly truncated mixture of Burr XII and Weibull distributions. In this paper, classical properties of the doubly truncated mixture of Burr XII and Weibull distributions have been derived. Cumulative distribution function, hazard rate, failure rate, inverse hazard function, odd function and the cumulative hazard function, rth moment about origin, moment generating function characteristic function, moments about origin and mean, mean and variance, measure of skewness and kurtosis have been discussed.

The probability density function (pdf) of the rth, 1 ≤ r ≤ n and joint pdf of the rth and sth, 1 ≤ r

After its induction in the 19th century, the pharmaceutical industry covered a long way and now it became one of the most successful and influential industries in the world, with both praise and controversy on its part. The current study is performed on the pharmaceutical firms working in the Punjab (Pakistan). Like the other profit-driven organizations, the main aim of the pharmaceutical firms is to earn the maximum profit. The profitability also depends on the costing system. The current paper evaluates the costing systems, the level of satisfaction regarding the costing system, the major problems faced during the costing process and the best method of costing in the pharmaceutical sector. The questionnaire was designed for the collection of data from 130 pharmaceutical companies working in the Punjab. For the data analysis, the descriptive statistics and the graphical method were used. The significant result of the study is that most of the organizations used the marginal costing and many managers are satisfied with the costing system which they are using.