Determine the cost of the following: Show your work. 1. A slice of pizza, 1 plane ticket, 2 nights in the motel, and 1 evening movie.

2. One T-shirt, 1 ticket to the baseball game, and 1 day of the rental car.

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