Mathematics, 04.10.2020 18:01 helo55
The average time customers spent on the American Greetings Web site has been 11.85 minutes (Top Web Properties, USA Today, April 27, 2000). You want to show that the average time spent on that web site has now changed. Assume that the population of site visit times is normally distributed with a population standard deviation of 4.0 minutes. In order to test the hypothesis at 0.05 level of significance, the critical value(s) is(are):
Answers: 3
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The average time customers spent on the American Greetings Web site has been 11.85 minutes (Top Web...
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