Mathematics, 02.11.2019 23:31 destinyhammons12345

In a random sample of 40 students, the mean
daily time spent using a cell phone was 3.15 hours
with a standard deviation 1.08. construct a 90%
confidence interval for the population mean.
a) 2.87 < u < 3.43
(2.712m43.59
b) 2.82 d) 1.376m 24.93

Answers: 2

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In a random sample of 40 students, the mean
daily time spent using a cell phone was 3.15 hours...