katrinamaus7 katrinamaus7

13-04-2020
Mathematics

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Randomly selected statistics students of the author participated in an experiment to test their ability to determine when 60 seconds had passed. Forty students yielded a sample mean of 58.3 seconds. Assume that б = 9.5 seconds. Construct a 95% confidence interval of the population mean of all statistics students.
Z D/2 = 1.96

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Аноним Аноним

13-04-2020

Answer:

The answer would be: We are 95% confident that the interval from 55.4 seconds to 61.2 seconds actually does contain the true value of μ.

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