Sample proportion probability samples

16. [1 pt] Ho: US -2 vs. HA : u > -2: The summary statistics from a sample show sample mean X = -1.54, sample standard deviation s = 1.63, and n = 37. (a) test stat = 1.7166, p-value = 0.0473 (b) test stat = -1.7166, p-value = 0.0473 (c) test stat = 0.2822, p-value = 0.3897 (d) test stat = -0.2822, p-value = 0.3897 17. [1 pt] Ho: p 2 0.67 vs. HA: p B| x