The lengths of two sides of a triangle are 4 cm and 17 cm. Write an inequality that represents the range of the possible values for the third side. How do I do this while showing work?

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