This model represents the design of a bridge truss composed of congruent triangles. The area of the large triangle is 20 units*2 . What is the area, in square units, of one of the small triangles for the actual bridge if the scale factor is 150?

1. 4

2. 112,500

3. 856

4. 10,000

Arandom sample of size n 64 is taken from a population with population proportion p 0.38 describe the sampling distribution of p. draw a graph of this probability distribution with its a. mean and standard deviation. b. what is the probability that the sample proportion is greater than 0.5? what is the probability that the sample proportion is less than 0.3? d. what is the probability that the sample proportion is between 0.35 and 0.45?