What radius of a circle is required to inscribe a square with an apothem of 4.95 inches? a. 5in b. 6in c. 7in d. 8in explain how to get the answer, i want to know how to do this and not just be given the answer

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?