Mathematics, 11.12.2019 00:31 emmybear103002
Apsychologist estimates the standard deviation of a driver's reaction time to be 0.05 seconds. how large a sample of measurements must be taken to derive a confidence interval for the mean with a margin of error at most 0.01 second, and confidence level 95%?
Answers: 3
, where 
= prior standard deviation., z^*= Critical value corresponds to the confidence level and E is margin of error .
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Apsychologist estimates the standard deviation of a driver's reaction time to be 0.05 seconds. how l...
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