Vohra Pharmacy in Duncan has begun to use drones to deliver prescription medications to Saltspring Island. They would like to determine their cost per delivery. They take a sample of 29 deliveries and find that the average cost per delivery is $15.00 with a standard deviaiton of $6. Give the 95% interval estimate for the true average cost of delivering prescriptions. Answer this question on the work you will submit. Just enter 0 for the answer on the quiz. Your Answer: :] Answer Question 7 (1 point) Vohra pharmacy would like to reduce the margin of error to $0.50 using the same confidence level and standard deviation as the previous question. How large a sample should they choose? Your Answer: :] Answer Question 8 (4 points) The BC Wildfire Service has relocated its Vohra wildfire attack base to Cobble Hill and would like to test the response time from the new location. The service conducted a series of 29 drills to serve as a representative sample. They found that the mean response time was 69 minutes with a standard deviation of 14 minutes. Last season, the average response time was 75 minutes. At the 10% significance level is there enough evidence to conclude the response time has changed? Answer 222222 for this on the quiz and give the full hypothesis test on your written work that you will submit to the online exam folder. Your Answer: :] Answer Question 9 (1 point) Using the information from the previous problem for the Cobble Hill wildfire attack base estimate the p value. Your