need answer for mcq's

The Canadian Labour Code gives workers the right to Multiple Choice paid lunch breaks. have all hazardous materials removed from the workplace. minimum acceptable levels of natural daylight in the workplace. refuse dangerous work. Many companles are realizing that the productivity of their employees depends largely on their Multiple Choice Level of training and expertise Equipment and line speed General health and well being Job time and rest breaks Which one of the following statements concerning work sampling is not true? Multiple Choice Observations are made at random intervals. A detailed description of activities is obtained. Multiple observations are necessary. It can be used to estimate the percentage of idle time. Which technique for work measurement is useful for studying non-repetitive jobs? Multiple Choice methods analysis. time study. motion study. work sampling. A task was studied and the following times were recorded: 1.20 minutes, 1.40 minutes, 1.33 and 1.15 minutes, respectively. What is the observed time for the task? Multiple Choice 1.15 1.27 1.40 Cannot be determined without the performance rating