A population consists of N = 5 numbers: 11, 13, 15, 19, 20. A random sample of size n = 3 is selected without replacement. Find the sampling distribution of the sample mean, x. (Enter your values of x...

A population consists of N = 5 numbers: 11, 13, 15, 19, 20. A random sample of size n = 3 is selected without replacement. Find the sampling distribution of the sample mean, x. (Enter your values of x in increasing order from top to bottom. Round your values of x to 2 decimal places. Enter your probabilities as fractions.) x p(x)