Researchers determined that 60 puffs tissues is the average number of tissues used during a cold. suppose a random sample of 100 puffs users yielded the following data on the number of tissues used during a cold: x = 52 and s = 22. suppose the alternative we wanted to test was h: u< 60. the correct rejection region for a = 0.05 is: reject h, ift < -1.9842. o reject h, ift< -1.6604. o reject h, if: > 1.6604. "o reject h, if > 1.9842 or z< -1.9842.