Question

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Ef a large party wants to determine whether the roan West Ideas af her carry is less than the mean of 120 minutes recortes in the artide. Each person in a randorn sinple of 10 erralbytes is asked about daily Many employers are concerned about employees wasting time by suiting the Internet and e-malling fiends during work hours. The article "Who Goors or 2 Hours a Day? Most Workers, Survey Says'+ sumirartzed data from a large sample or workers. Suppose that the during all shuur werkday for a wasted time at work in minutes). Participants would probably have to be guarantard aranyrity truttulanses suppose that the resulting data are as follows. 108, 112, 117, 132, 111, 131, 113, 115, 105, 128 (+Cumpule : 95% confiderice in level wesimale the meer wasted time in minutes) during en G-Hou 'nulkdey (ur ell employees of this convenly. (Round your answers to Lwo decimal vlees. min Interpret your interval Based upon this sample, we can be 95% confident that the brue mean wasted time during an 8-hour workday for all employees of her company is between the lower value of minutes and the upper value of minutes. () Detine the population parameter of Interest. Ou- the rear rumber of waslet minules by mala cripluyeus Oy the mean number at wasten minutes for the 10 cmployers sirveyen O u = the mean ruler of wasted mircles by feriele employees - the mean number af wasten minutes for all complayecs (c) State the null and alternative hypotheses. OH-120 # # 120 OH<120 HM 120 Na 120 N120 ON = 120 4, 120

Answer 1