5. (4 points) - Buservice Inc. claims that the mean monthly maintenance cost for 1-year-old buses subjected to the traditional preventive maintenance program is at least $2,200. A survey other transportation companies and their 1-year-old buses found a sample mean of =$1,950 with a standard deviation of s=$600. a. (1 point) - Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholder's group. b. (1 point) - Assume that 25 transportation companies were included in the sample. What is the p-value for your hypothesis test? c. ( 1 point ) - At =0.01, what is your conclusion? d. ( 1 point) - Would you change your conclusion if =0.05 ? Justify your answers in detail. UPLOAD THE EXCEL SPREADSHEET FOR THIS CALCULATION IN ORDER TO GET POINTS FOR THIS TOPIC. 6. (4 points) - The label on a1/2 gallon container of orange juice states that the orange juice contains an average of 30 grams of sugar or less. Answer the following questions for a hypothesis test that could be used to test the claim on the label. a. (1 point) - Develop the appropriate null and alternative hypothesis. b. (1 point) - What is the Type I error in this situation? What are the consequences of making this error in this case? c. (1 point) - What is the Type II error in this situation? What are the consequences of making this error in this case? d. (1 point) - What is the relationship between the level of significance and Type I error in a hypothesis test