Time left 1:0 Studies have determined that the time women are pregnant have a distribution that is bell shaped where th mean is 266 days and standard deviation is 16 days. A reference chart for the empirical rule is given below. 34% 34% 13.5% 13.5% 2.35% 9:15% 2.35% 10.15% 1-30 0-20 1 - 10 0410 420 1 +30 a) Using the empirical rule, what percent of women are pregnant between 266 days and 282 days? % (Enter your answer as a whole number) b) What is the z-score for a pregnancy length of 300 days? (Round to the nearest hundredth) Is a pregnancy of 300 days considered significantly high? Find the pregnancy lengths that separate the significantly low and significantly high values. Significantly High: Significantly Low