8. The average hospital charge to deliver a baby in America is reported to cost $10,808. With insurance prices skyrocketing, you believe the cost is actually higher than this. You take a sample of 75 patient records and record the total charges for the length of stay for the baby. You find the mean charge is $15,578.50 with a standard deviation of $35,586.50. a. Write the appropriate hypothesis. (1pt) b. State rejection rule. (1pt) c. Perform the test using either the p-value method. (2pts) d. State the conclusion of the test and interpret it. (2pts)