Question: USE R STUDIO TO SOLVE TGIS PROBLEM & SHOW THE COMMANDS ! USER STUDIO The operations manager of a large production plant would like to

USE R STUDIO TO SOLVE TGIS PROBLEM & SHOW THE COMMANDS !

USER STUDIO The operations manager of a large production plant would like to estimate the mean amount of time a worker takes to assemble a new electronic component. Assume that standard deviation of this assembly time is 4.5 minutes. a) After observing 130 workers assembling similar devices, the manager noticed that their average time was 17.5 minutes. Construct a 95% confidence interval for the mean assembly time. b) How many workers should be involved in this study in order to have the mean assembly time estimated to within +20 seconds with 92% confidence

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