The weights of adult male beagles are normally distributed, with a mean of 25 pounds and a standard deviation of three pounds.  A beagle is randomly selected.

1. Find the probability to three significant figures that the beagle's weight is less than 23 pounds.  {#1}
   
2. Find the probability to three significant figures that the beagle's weight is between 23 and 25 pounds.  {#2}
   
   
3. Find the probability to three significant figures that the beagle's weight is more than 27 pounds.  {#3}