Gethuman. com claims that the average wait time for Amazon’s Live Chat customer service option is 5 minutes (source: gethuman.com). In a sample of 100 random attempts to engage Live Chat, you find that the average wait time was 5 minutes and 30 seconds. ,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?

"Get 15% discount on your first 3 orders with us"
Use the following coupon
"FIRST15"

Order Now