Question: Consider the e-billing case. The mean and the standard deviation of the sample of n = 65 payment times arex x = 18.1077 and s

Consider the e-billing case. The mean and the standard deviation of the sample of n = 65 payment times arex

x

= 18.1077 and s = 3.9612. TestH0:= 19.5 versusHa:< 19.5 by setting equal to .01 and using a critical value rule and assuming approximate normality. Also, interpret the (computer calculated)p-value of .0031 for the test.

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