As part of a fundraiser, a local organization collected 418 returnable bottles and cans, some worth 5 cents each and the rest worth 10 cents each. if the total value of the cans and bottles was $25.00, how many 5 cent bottles or cans and how many 10 cent bottles or cans were collected

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