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Mathematics, 13.07.2020 19:01 maltipoosarecool

) Ten randomly selected people were asked how long thy sept at night. The mean time was 7.1 hours, and the standard deviation was 0.78 hour. Find the 95% confidence interval of the mean time. Assume the variable is normally distributed

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) Ten randomly selected people were asked how long thy sept at night. The mean time was 7.1 hours, a...
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