The distribution of total body protein in adult men with liver cirrhosis is approximately Normal

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 13-8 If you take a random sample of 25 adult men with liver cirrhosis, what is the probability that their average total body protein is between 9.75 and 9.85 kg?

0.9876

0.3829

0.0796

0.0062