Question 1 7 points Save Answer The following data were obtained from a preliminary activity sampling exercise Setting up IIIII IIIII IIIII Machine running IIIII IIIII IIII Operator inspecting III Idle IIIII III You need to calculate the additional number of observations needed to state with a 95% confidence level and an accuracy of 5% that the results will be a true reflection on the amount of idle time at this specific workspace Use maximum 2 decimals in your final answers except where instructed otherwise Answer the following questions: (a) Which element/activity will you select to be your P-value? (1) (b) What will the fraction value of P be (max 2 decimals)? (2) (2) (c) What is the total number of observations required (rounded off - no decimals)? (d) What is the number of additional observations you need to take for this study? (1) (1) (e) What will the accuracy of the study be as a percentage if only 100 additional observations can be made? n = 3.84 p(1-pi/F O Type here to search G 3 ENG 12:18 2021/1130