Lecture recordings in statistics have different duration. Listed below is the duration in minutes of a few lecture recor

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Lecture recordings in statistics have different duration. Listed
below is the duration in minutes of a few lecture recordings.)
32,44,53,31,37,42,48,51,55, 27, 36
Jacob wants to make sure he has enough time to watch the lecture
recordings. Calculate the 98% confidence interval for the mean of
the duration of lecture recordings. Use 3 decimal places. We assume
that the sample is a random sample and that the grades for the
entire population are approximately normally distributed. Explain
your choice of probability distribution