Mathematics, 18.10.2020 21:01 bryanmcmillianjr

Question Help Twelve different video games showing drug use were observed. The duration times of drug use were recorded, with the times (seconds) listed below. Assume that these sample data are used with a 0.01 significance
level in a test of the claim that the population mean is greater than 80 sec. If we want to construct a confidence interval to be used for testing that claim, what confidence level should be used for a confidence interval?
If the confidence interval is found to be - 45,3 sec 87 15 616 520 56 212 46 1660 261
The confidence level should be %
(Type an integer or a decimal. Do not round.)
What should we conclude about the claim?
The given confidence interval
the value of 80 sec, so there sufficient evidence to support the claim that the mean is greater than 80 sec.

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Question Help Twelve different video games showing drug use were observed. The duration times of dr...