The 2022 MotoGP race will take place in Indonesia on March 18-20. The racers will compete at the Mandalika Circuit, Central Lombok, West Nusa Tenggara (NTB). The Mandalika Grand Prix Association...

Extracted text: The 2022 MotoGP race will take place in Indonesia on March 18-20. The racers will compete at the Mandalika Circuit, Central Lombok, West Nusa Tenggara (NTB). The Mandalika Grand Prix Association (MGPA) is the organization in charge of this event. Regarding the safety issues, two different medical evacuation procedures have been proposed to evacuate riders to the hospital if they get into an accident. To evaluate the two emergency procedures, a study was conducted. A random sample of ten Procedure A revealed a mean of 26 minutes with a standard deviation of 0.2 to get the rider to the hospital. While a random sample of 12 observations from Procedure B revealed a sample mean of 23 minutes and a sample standard deviation is 0.31. At the 0.05 significance level, is there a difference in the mean time of the two medical evacuation procedures? a. State the null hypothesis and the alternate hypothesis. b. Calculate the degree of freedom. c. Develop the interval estimation. d. Based on the interval estimation, can we reject Ho? Explain. e. What is your conclusion?