could you smart math people let me know if I did this question right.

The per capita consumption of soft drinks by people in the Unite States in a recent year was normally distributed with a mean of 49.3 gallons and a stardard deviation of 17.1 gallons. Random samples of size 25 are drawn from this poulation and the mean of ecah sample is determined.

I have 49.3 mean17.1= 3.4 gallons

square root of 25

please help me find out if this is right, thank you