A friend gives you 120 feet of fencing. You want to make a circular dog pen in your backyard using as much of the fencing as possible. What will
be the diameter of your dog pen? (nearest whole number)

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample