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Mathematics, 10.11.2021 17:50 thompsonjeremiah837

A certain company would like to determine the amount of time employees waste at work each day. A random sample of 10 of its employees shows a mean time of 121.80 minutes wasted per day with a standard deviation of 9.45 minutes per day. Does the data provide evidence that the mean amount of time wasted by employees each day is more than 120 minutes? Test at ฮฑ=.05. Assume the population is at least approximately normally distributed.

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