The sum of $4,500 was divided among Anesha, Sian and Joanne. Sian received half, Anesha received $1,050 and Joanne received the remainder. Calculate: the ratio in which 4500 was shared among the three of them

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