6. Which type of energy transformation is taking place when natural gas is used to heat water? O chemical energy into thermal energy O thermal energy into mechanical energy O mechanical energy into electromagnetic energy O electromagnetic energy into chemical energy

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