Question 1 Tries remaining: 3 Marked out of 11.00 if" Flag question Suppose Al's Aviation claims their airplanes can hold an average of 630 luggage bags at once. A random sample of 20 airplanes is taken, which leads to a sample mean of 598 bags with a sample standard deviation of 78 bags. Using this sample, a test is constructed about whether the actual average number of bags the airplanes can hold is less than what Al's Aviation claims, using a signicance level of 0.01. (a) What are the null and alternative hypotheses? H0: p 3