In a study, you want to find out how much time it takes a worker to complete a job on average. How many samples are need

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In a study, you want to find out how much time it takes a worker to complete a job on average. How many samples are need

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In A Study You Want To Find Out How Much Time It Takes A Worker To Complete A Job On Average How Many Samples Are Need 1
In A Study You Want To Find Out How Much Time It Takes A Worker To Complete A Job On Average How Many Samples Are Need 1 (11.83 KiB) Viewed 39 times
In a study, you want to find out how much time it takes a worker to complete a job on average. How many samples are needed in order to determine with a probability of 0.98 that the sample mean differs by less than 10 minutes from the true mean. It is known from other measurements that the standard deviation is 60 minutes. A. 159 B. 195 C. 179 D. 189
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