For each of the questions, find the value of x. if necessary, round your answer to the nearest tenth. the figure is not drawn to scale.

! i have attached pictures.

1. a. 8
b. 5
c. 6
d. 10

2. a. 21.9
b. 181.3
c. 24
d. 13.5

3. a. 13
b. 26
c. 77
d. 38.5

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