The XPT train from Melbourne to Sydney leaves Melbourne's Southern Cross Station at 8:30 am and is scheduled to arrive at Sydney Central Station at 7:47 pm of the same day, a journey of 677 minutes. In fact, the time travelled is normally distributed with a mean of 677 minutes and a standard deviation of 1090 123 minutes What percentage of trains are more than 20 minutes late? Select one: 99.31% 0.69% 0 98.62% 1.38% 2. In a particular country, the height of adult men is normally distributed with a standard deviation of 7cm. If 6.3% of men are taller than 187.91 cm, what is the mean height? Select one 174.68 cm @ 198.62 cm 175.6 cm 177.2 cm