Which of the following is the simplified form ofthe seventh root of x times the seventh root of x times the seventh root of x? x to the 3 over seventh power
x to the 1 over seventh power
x to the 3 over 21st power
the 21st root of x

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?