1.**A businesswoman purchased in-flight WiFi on her flight from New York to San Francisco. The graph below shows the amount of time she spent using WiFi and the amount of money that she paid. What is
the constant of proportionality shown in the graph? What does the constant of proportionality
represent in the context of this problem?
Cost (in dollars)
LUIS

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95