MTH128 Chapter 9 t value and p value test mean

1) It takes an average of 12.9 minutes for blood to begin clotting after an injury. An EMT wants to see if the average will change if the patient is immediately told the truth about the injury. The EMT randomly selected 49 injured patients to immediately tell the truth about the injury and noticed that they averaged 12.7 minutes for their blood to begin clotting after their injury. Their standard deviation was 5.09 minutes. What can be concluded at the the α = 0.01 level of significance? 2) A consumer group claims that the average annual consumption of high fructose corn syrup by a person in the U.S. is 48.8 pounds. You believe it is higher. You take a simple random sample of 34 people in the U.S. and find an average of 52 pounds with a standard deviation of 4.1 pounds. Test at 10% significance.