confidence interval of the number of calories in 3 ounces of french fries based on a sample of 8 batches of french fries, weighing 3-ounce each, taken from different restaurants. The sample has a mean of 244.5 and a sample standard deviation, s, of 21.7. Interpret the results.

2.A female patient has had her red blood cell count tested on 6 occasions. A mean of 4.4 with sample standard deviation, s, of 0.28 was found. Generally, healthy, female adults have a red blood cell count of 4.8. Conduct a hypothesis test to determine if the red blood cell count for this patient is lower than normal. (Use a = 0.05.)