Sandy cut out 2 squares and 7 circles from a piece of cardboard. the length of the sides of each square was x inches and radius of each circle was y inches. the expression below shows how many more square inches of cardboard sandy used for making the circles than the squares:
7πy2 - 2x2
what does the term 7πy2 in the expression represent?

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?