The target heart rate for a 50% of HA exercising at P percent of his or her heart rate is determined by the expression 1/2 p(418-a) for women and 1/2p(400-a) for men. What is the difference between the target heart rates for a fit woman and a fit man?

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