T 9. To measure the distance across Blue River Canyon,
Lucy measured the distances as shown on the drawing
below. Use her drawing to determine the distance (d)
across the canyon.
18 ft.
90 ft.
20 ft.
hinchadow measured 8 feet

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