an srs of 29 students at uh gave an average height of 5.5 feet and a standard deviation of .3 feet. construct a 90% confidence interval for the mean height of students at uh. a) [4.250, 6.950] b) [5.405, 5.595] c) [4.990, 6.010] d) [4.000, 7.300] e) [5.482, 5.518] f) none of the above