The distribution of total body protein in adult men with liver

The distribution of total body protein in adult men with liver cirrhosis is approximately Normal with mean 9.8 kg and standard deviation 0.1 kg. Reference: Ref 11-5 What is, approximately, the probability that a randomly selected man with liver cirrhosis has a total body protein between 9.75 and 9.85 kg?

0.6827

0.6171

0.3829

0.3173