A rectangular shaped park contains two gardens of multi-colored roses. Sidewalks enclose the whole park and each of the gardens. What is the total length of the sidewalks that surround these two gardens?
30 meters
20 meters
24 meters
20 meters
A.
134 meters
B
148 meters
C.
94 meters
х
D
144 meters

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