mary beth has $1500 in a savings account on january 1. she wants to have at least $800 by may 1. she estimates that she can withdraw $38.50 per week, w, for food, clothing, and entertainment. which inequality represents her estimate?

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