College tuition: The mean annual tuition and fees for a sample of 15 private colleges in California was $31,500 with a standard deviation of $7250. A dotplot shows that it is reasonable to assume that the population is approximately nominal. Can you conclude that the mean tuition and fees for private Institutions in California is less than $35,000? Use the a =0.05 level of significance and the P-value method with the TI-B Plus calculator. Part: 0 / 5 Part 1. 01 5 (a) State the appropriate null and alternate hypotheses. This hypothesis test is a (Choose one) " test. Skip Part Check Save For Later Subrule Augment ALIENWARE 2 6 B 9 W E R PQuestion Attempt: 1 of 3 8 9 10 11 12 13 14 15 16 17 Height and age: Are older men shorter than younger men? According to a national report, the mean height for U.S. men is 69.4 inches. In a sample of 307 Then between the ages of 60 and 69, the mean height was .* = 69.1 inches. Public health officials want to determine whether the mean height u for older men is less than the mean height of all adult men. Assume the population standard deviation to be a = 3.01. Use the a = 0.10 level of significance and the P-value method with the TI-84 calculator. Part: 0 / 4 Part 1 of 4 State the appropriate null and alternate hypotheses. This hypothesis test is a (Choose one) + test. 5 Skip Part Check Save For Later Submit Assign O ALIENWARE 3 6 8 9 O