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Korey5672
08.02.2021 •
Mathematics
Twelve different video games showing product placement were observed and the duration
times of game play in seconds) were recorded and found to have a normal distribution. The
design of the study justifies the assumption that the sample can be treated as a simple random
sample. Given a sample standard deviation of 60.9 sec, use the sample data to construct a 99%
confidence interval estimate of o, the standard deviation of the duration times of game play.
O 5.0 sec
O 38.0 sec
O 42.6 sec
O 39.0 sec
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Ответ:
d secondary market mark brainliest