Question: Question 2 Data from an 8-hour work sampling study are shown below. a) What % of the time is the machine running? b) What %

Question 2 Data from an 8-hour work sampling

Question 2 Data from an 8-hour work sampling study are shown below. a) What % of the time is the machine running? b) What % of the time is the machine broken? c) What is the limit of accuracy of this study? d) What is 95% confidence interval of the machine running? e) Your manager says that the range in part d) is unacceptably large. She would like to narrow the range down to 1 minute of running time. How many observations should you collect to achieve this? Running ||||| |||| Broken ||||| Out of stock |||||||||| Idle Other ||||| || n = 3.84 p(1-p)/1 [14]

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