9 According to the Red Cross, about 42% of Americans have Type A blood. Suppose 80
people show up at a typical blood drive.
1
What's the standard deviation of the Type A proportions found at such drives (standard
error)?

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: