Mathematics, 11.08.2021 20:50 bellam302
In a random sample of 16 ATM transactions at a bank, the sample mean transaction time is 2 minutes with the sample standard deviation of 1.6 minutes. We can use this sample to construct a 95% confidence interval (in minutes) for the population mean transaction as, after applying the table below to get the Student’s t statistic.
a. (1.1520, 2.8480)
b. (1.4652, 2.5348)
c. (1.2988, 2.7012)
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In a random sample of 16 ATM transactions at a bank, the sample mean transaction time is 2 minutes w...
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