Question: Gethuman. com claims that the average wait time for Amazons Live Chat customer service option is 5 minutes (source: gethuman.com). In a sample of 100
a. Using 5 minutes as your null hypothesis, calculate the p value for the sample result. Assume the population standard deviation is 3.4 minutes.
b. For a significance level of .05, can we reject the null hypothesis that the average wait time is no more than 5 minutes? For a significance level of .01? Explain your answers.
c. What is the minimum significance level at which the sample result here would be considered statistically significant?
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