Lauren rodriguez earns $8.35 per hour as a swimming instructor. how many hours per week must she work if she wants to earn approx. $190,000 per week?

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