1.Customer satisfaction at your company is around 85%. You develop some ideas to increase customer satisfaction. Develop the appropriate hypothesis test to see if your ideas are working. Explain what a Type I error would be for this problem.

2.Ho: u 14

Ha: u > 14

If you calculate x to be 14.6 with a standard deviation of 3.2 and a sample size of 40. What is the p-value in this case? Using the p-value, what is your decision regarding the hypothesis test above (i.e., do you reject/not reject Ho, and if you reject Ho, at what level of significance (1%, 5% or 10%)?

3.Ho: u 250

Ha: u < 250

If you calculate x to be 247 with a standard deviation of 8 and a sample size of 35. Calculate the p-value for this problem. What is your decision regarding the hypothesis test above?