Gwendolyn draws a hotdog on graph paper using the scale shown below. The hotdog has a length of 9 units in the drawing.
Scale:
10 cm
length
A
What is the length, in cm, of the actual hotdog?
cm

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