An adult elephant eats about 300 pounds of food each day. write an expression to represent the number of pounds of food a herd of 12 elephants eat in 5 days

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