In Exercises 28, use the P-value method to perform the hypothesis test for the indicated exercise. Exercise

Question:

In Exercises 28, use the P-value method to perform the hypothesis test for the indicated exercise.
Exercise 22
A travel agent claims that the standard deviation of the room rates of three-star hotels in Chicago is at least $35. A random sample of 21 three-star hotels has a standard deviation of $22. At α = 0.01, is there enough evidence to reject the agent’s claim?