Find the percentage change from the first quantity to the second quantity: From $75 to $90

From 40 cm to 60 cm

From 20 gm to 5 gm

From 60 km/h to 45 km/h

From 5 dozen eggs to 100 eggs

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