Please provide the answer for the x and z as seen in the image

Write a function rule for the table

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear

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?