The following are questions from a self-quiz. according to some study, the height for northern european adult males is normally distributed with an average of 181 centimeter and a standard deviation of 7.3 centimeter. suppose such an adult male is randomly chosen. let x be height of that person. the next 2 questions correspond to this information. the answer may be rounded up to 3 decimal places of the actual value. a) the probability that the person is between 160 and 170 centimeters isb) the probability that the person is higher than 190 centimeter is